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Finding the Fourth Proportional to 176,810.75, 265,218.86 and 98,423.20

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Solution

The fourth proportional to 176,810.75, 265,218.86 and 98,423.20 is: 147,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,810.75 : 265,218.86 = 98,423.20 : x
  2. Step 2: Convert to fraction form
    176,810.75/265,218.86 = 98,423.20/x
  3. Step 3: Cross multiply
    176,810.75x = 265,218.86 × 98,423.20
  4. Step 4: Simplify right side
    176,810.75x = 26,103,688,925.50
  5. Step 5: Solve for x
    x = 26,103,688,925.50/176,810.75
  6. Step 6: Final answer
    x = 147,636.32

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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.