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Finding the Fourth Proportional to 109,708.01, 151,397.01 and 59,407.01

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Solution

The fourth proportional to 109,708.01, 151,397.01 and 59,407.01 is: 81,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,708.01 : 151,397.01 = 59,407.01 : x
  2. Step 2: Convert to fraction form
    109,708.01/151,397.01 = 59,407.01/x
  3. Step 3: Cross multiply
    109,708.01x = 151,397.01 × 59,407.01
  4. Step 4: Simplify right side
    109,708.01x = 8,994,042,930.06
  5. Step 5: Solve for x
    x = 8,994,042,930.06/109,708.01
  6. Step 6: Final answer
    x = 81,981.65

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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.