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Finding the Fourth Proportional to 152,376.61, 227,638.25 and 98,630.71

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Solution

The fourth proportional to 152,376.61, 227,638.25 and 98,630.71 is: 147,346.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,376.61 : 227,638.25 = 98,630.71 : x
  2. Step 2: Convert to fraction form
    152,376.61/227,638.25 = 98,630.71/x
  3. Step 3: Cross multiply
    152,376.61x = 227,638.25 × 98,630.71
  4. Step 4: Simplify right side
    152,376.61x = 22,452,122,220.66
  5. Step 5: Solve for x
    x = 22,452,122,220.66/152,376.61
  6. Step 6: Final answer
    x = 147,346.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.