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Finding the Fourth Proportional to 109,526.51, 151,146.54 and 59,225.51

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Solution

The fourth proportional to 109,526.51, 151,146.54 and 59,225.51 is: 81,731.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,526.51 : 151,146.54 = 59,225.51 : x
  2. Step 2: Convert to fraction form
    109,526.51/151,146.54 = 59,225.51/x
  3. Step 3: Cross multiply
    109,526.51x = 151,146.54 × 59,225.51
  4. Step 4: Simplify right side
    109,526.51x = 8,951,731,294.10
  5. Step 5: Solve for x
    x = 8,951,731,294.10/109,526.51
  6. Step 6: Final answer
    x = 81,731.18

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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.