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Finding the Fourth Proportional to 109,417.74, 150,996.45 and 59,116.74

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Solution

The fourth proportional to 109,417.74, 150,996.45 and 59,116.74 is: 81,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,417.74 : 150,996.45 = 59,116.74 : x
  2. Step 2: Convert to fraction form
    109,417.74/150,996.45 = 59,116.74/x
  3. Step 3: Cross multiply
    109,417.74x = 150,996.45 × 59,116.74
  4. Step 4: Simplify right side
    109,417.74x = 8,926,417,531.02
  5. Step 5: Solve for x
    x = 8,926,417,531.02/109,417.74
  6. Step 6: Final answer
    x = 81,581.08

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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.