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Finding the Fourth Proportional to 125,293.32, 172,901.70 and 67,929.48

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Solution

The fourth proportional to 125,293.32, 172,901.70 and 67,929.48 is: 93,741.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,293.32 : 172,901.70 = 67,929.48 : x
  2. Step 2: Convert to fraction form
    125,293.32/172,901.70 = 67,929.48/x
  3. Step 3: Cross multiply
    125,293.32x = 172,901.70 × 67,929.48
  4. Step 4: Simplify right side
    125,293.32x = 11,745,122,572.12
  5. Step 5: Solve for x
    x = 11,745,122,572.12/125,293.32
  6. Step 6: Final answer
    x = 93,741.01

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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.