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Finding the Fourth Proportional to 370,176.16, 555,264.48 and 89,693.92

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Solution

The fourth proportional to 370,176.16, 555,264.48 and 89,693.92 is: 134,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,176.16 : 555,264.48 = 89,693.92 : x
  2. Step 2: Convert to fraction form
    370,176.16/555,264.48 = 89,693.92/x
  3. Step 3: Cross multiply
    370,176.16x = 555,264.48 × 89,693.92
  4. Step 4: Simplify right side
    370,176.16x = 49,803,847,847.96
  5. Step 5: Solve for x
    x = 49,803,847,847.96/370,176.16
  6. Step 6: Final answer
    x = 134,540.94

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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.