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Finding the Fourth Proportional to 152,502.76, 210,474.42 and 88,860.52

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Solution

The fourth proportional to 152,502.76, 210,474.42 and 88,860.52 is: 122,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,502.76 : 210,474.42 = 88,860.52 : x
  2. Step 2: Convert to fraction form
    152,502.76/210,474.42 = 88,860.52/x
  3. Step 3: Cross multiply
    152,502.76x = 210,474.42 × 88,860.52
  4. Step 4: Simplify right side
    152,502.76x = 18,702,866,407.90
  5. Step 5: Solve for x
    x = 18,702,866,407.90/152,502.76
  6. Step 6: Final answer
    x = 122,639.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.