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Finding the Fourth Proportional to 99,013.68, 148,527.56 and 39,849.68

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Solution

The fourth proportional to 99,013.68, 148,527.56 and 39,849.68 is: 59,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013.68 : 148,527.56 = 39,849.68 : x
  2. Step 2: Convert to fraction form
    99,013.68/148,527.56 = 39,849.68/x
  3. Step 3: Cross multiply
    99,013.68x = 148,527.56 × 39,849.68
  4. Step 4: Simplify right side
    99,013.68x = 5,918,775,737.18
  5. Step 5: Solve for x
    x = 5,918,775,737.18/99,013.68
  6. Step 6: Final answer
    x = 59,777.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.