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Finding the Fourth Proportional to 369,034.80, 553,681.80 and 158,737.20

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Solution

The fourth proportional to 369,034.80, 553,681.80 and 158,737.20 is: 238,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,034.80 : 553,681.80 = 158,737.20 : x
  2. Step 2: Convert to fraction form
    369,034.80/553,681.80 = 158,737.20/x
  3. Step 3: Cross multiply
    369,034.80x = 553,681.80 × 158,737.20
  4. Step 4: Simplify right side
    369,034.80x = 87,889,898,622.96
  5. Step 5: Solve for x
    x = 87,889,898,622.96/369,034.80
  6. Step 6: Final answer
    x = 238,161.55

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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.