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Finding the Fourth Proportional to 160,699.28, 241,038.92 and 42,368

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Solution

The fourth proportional to 160,699.28, 241,038.92 and 42,368 is: 63,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,699.28 : 241,038.92 = 42,368 : x
  2. Step 2: Convert to fraction form
    160,699.28/241,038.92 = 42,368/x
  3. Step 3: Cross multiply
    160,699.28x = 241,038.92 × 42,368
  4. Step 4: Simplify right side
    160,699.28x = 10,212,336,962.56
  5. Step 5: Solve for x
    x = 10,212,336,962.56/160,699.28
  6. Step 6: Final answer
    x = 63,549.36

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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.