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Finding the Fourth Proportional to 172,470.60, 238,006.89 and 97,019.10

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Solution

The fourth proportional to 172,470.60, 238,006.89 and 97,019.10 is: 133,884.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,470.60 : 238,006.89 = 97,019.10 : x
  2. Step 2: Convert to fraction form
    172,470.60/238,006.89 = 97,019.10/x
  3. Step 3: Cross multiply
    172,470.60x = 238,006.89 × 97,019.10
  4. Step 4: Simplify right side
    172,470.60x = 23,091,214,261.60
  5. Step 5: Solve for x
    x = 23,091,214,261.60/172,470.60
  6. Step 6: Final answer
    x = 133,884.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.