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Finding the Fourth Proportional to 60,312.92, 90,510.89 and 27,070.16

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Solution

The fourth proportional to 60,312.92, 90,510.89 and 27,070.16 is: 40,623.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,312.92 : 90,510.89 = 27,070.16 : x
  2. Step 2: Convert to fraction form
    60,312.92/90,510.89 = 27,070.16/x
  3. Step 3: Cross multiply
    60,312.92x = 90,510.89 × 27,070.16
  4. Step 4: Simplify right side
    60,312.92x = 2,450,143,686.14
  5. Step 5: Solve for x
    x = 2,450,143,686.14/60,312.92
  6. Step 6: Final answer
    x = 40,623.86

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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.