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Finding the Fourth Proportional to 302,522.64, 453,787.16 and 124,907.28

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Solution

The fourth proportional to 302,522.64, 453,787.16 and 124,907.28 is: 187,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,522.64 : 453,787.16 = 124,907.28 : x
  2. Step 2: Convert to fraction form
    302,522.64/453,787.16 = 124,907.28/x
  3. Step 3: Cross multiply
    302,522.64x = 453,787.16 × 124,907.28
  4. Step 4: Simplify right side
    302,522.64x = 56,681,319,854.52
  5. Step 5: Solve for x
    x = 56,681,319,854.52/302,522.64
  6. Step 6: Final answer
    x = 187,362.24

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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.