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Finding the Fourth Proportional to 237,071.52, 355,176.62 and 137,020.40

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Solution

The fourth proportional to 237,071.52, 355,176.62 and 137,020.40 is: 205,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,071.52 : 355,176.62 = 137,020.40 : x
  2. Step 2: Convert to fraction form
    237,071.52/355,176.62 = 137,020.40/x
  3. Step 3: Cross multiply
    237,071.52x = 355,176.62 × 137,020.40
  4. Step 4: Simplify right side
    237,071.52x = 48,666,442,543.05
  5. Step 5: Solve for x
    x = 48,666,442,543.05/237,071.52
  6. Step 6: Final answer
    x = 205,281.69

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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.