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Finding the Fourth Proportional to 369,281.52, 553,950.88 and 141,686.10

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Solution

The fourth proportional to 369,281.52, 553,950.88 and 141,686.10 is: 212,540.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,281.52 : 553,950.88 = 141,686.10 : x
  2. Step 2: Convert to fraction form
    369,281.52/553,950.88 = 141,686.10/x
  3. Step 3: Cross multiply
    369,281.52x = 553,950.88 × 141,686.10
  4. Step 4: Simplify right side
    369,281.52x = 78,487,139,424.55
  5. Step 5: Solve for x
    x = 78,487,139,424.55/369,281.52
  6. Step 6: Final answer
    x = 212,540.12

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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.