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Finding the Fourth Proportional to 58,502.40, 87,497.60 and 52,307.20

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Solution

The fourth proportional to 58,502.40, 87,497.60 and 52,307.20 is: 78,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,502.40 : 87,497.60 = 52,307.20 : x
  2. Step 2: Convert to fraction form
    58,502.40/87,497.60 = 52,307.20/x
  3. Step 3: Cross multiply
    58,502.40x = 87,497.60 × 52,307.20
  4. Step 4: Simplify right side
    58,502.40x = 4,576,754,462.72
  5. Step 5: Solve for x
    x = 4,576,754,462.72/58,502.40
  6. Step 6: Final answer
    x = 78,231.91

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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.