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Finding the Fourth Proportional to 176,597.40, 264,798.90 and 76,740.60

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Solution

The fourth proportional to 176,597.40, 264,798.90 and 76,740.60 is: 115,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,597.40 : 264,798.90 = 76,740.60 : x
  2. Step 2: Convert to fraction form
    176,597.40/264,798.90 = 76,740.60/x
  3. Step 3: Cross multiply
    176,597.40x = 264,798.90 × 76,740.60
  4. Step 4: Simplify right side
    176,597.40x = 20,320,826,465.34
  5. Step 5: Solve for x
    x = 20,320,826,465.34/176,597.40
  6. Step 6: Final answer
    x = 115,068.66

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1.5x scale

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.