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Finding the Fourth Proportional to 176,207,798.80, 264,059,755.80 and 129,787,411.60

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Solution

The fourth proportional to 176,207,798.80, 264,059,755.80 and 129,787,411.60 is: 194,495,547.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,207,798.80 : 264,059,755.80 = 129,787,411.60 : x
  2. Step 2: Convert to fraction form
    176,207,798.80/264,059,755.80 = 129,787,411.60/x
  3. Step 3: Cross multiply
    176,207,798.80x = 264,059,755.80 × 129,787,411.60
  4. Step 4: Simplify right side
    176,207,798.80x = 34,271,632,213,010,088
  5. Step 5: Solve for x
    x = 34,271,632,213,010,088/176,207,798.80
  6. Step 6: Final answer
    x = 194,495,547.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.