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Finding the Fourth Proportional to 124,730.74, 171,926.18 and 97,459.12

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Solution

The fourth proportional to 124,730.74, 171,926.18 and 97,459.12 is: 134,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,730.74 : 171,926.18 = 97,459.12 : x
  2. Step 2: Convert to fraction form
    124,730.74/171,926.18 = 97,459.12/x
  3. Step 3: Cross multiply
    124,730.74x = 171,926.18 × 97,459.12
  4. Step 4: Simplify right side
    124,730.74x = 16,755,774,207.76
  5. Step 5: Solve for x
    x = 16,755,774,207.76/124,730.74
  6. Step 6: Final answer
    x = 134,335.56

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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.