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Finding the Fourth Proportional to 125,331.35, 172,956.08 and 67,971.93

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Solution

The fourth proportional to 125,331.35, 172,956.08 and 67,971.93 is: 93,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,331.35 : 172,956.08 = 67,971.93 : x
  2. Step 2: Convert to fraction form
    125,331.35/172,956.08 = 67,971.93/x
  3. Step 3: Cross multiply
    125,331.35x = 172,956.08 × 67,971.93
  4. Step 4: Simplify right side
    125,331.35x = 11,756,159,381.35
  5. Step 5: Solve for x
    x = 11,756,159,381.35/125,331.35
  6. Step 6: Final answer
    x = 93,800.63

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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.