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Finding the Fourth Proportional to 160,931.80, 241,397.70 and 98,637.40

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Solution

The fourth proportional to 160,931.80, 241,397.70 and 98,637.40 is: 147,956.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,931.80 : 241,397.70 = 98,637.40 : x
  2. Step 2: Convert to fraction form
    160,931.80/241,397.70 = 98,637.40/x
  3. Step 3: Cross multiply
    160,931.80x = 241,397.70 × 98,637.40
  4. Step 4: Simplify right side
    160,931.80x = 23,810,841,493.98
  5. Step 5: Solve for x
    x = 23,810,841,493.98/160,931.80
  6. Step 6: Final answer
    x = 147,956.10

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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.