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Finding the Fourth Proportional to 86,700.86, 130,050.68 and 44,592.68

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Solution

The fourth proportional to 86,700.86, 130,050.68 and 44,592.68 is: 66,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,700.86 : 130,050.68 = 44,592.68 : x
  2. Step 2: Convert to fraction form
    86,700.86/130,050.68 = 44,592.68/x
  3. Step 3: Cross multiply
    86,700.86x = 130,050.68 × 44,592.68
  4. Step 4: Simplify right side
    86,700.86x = 5,799,308,459.19
  5. Step 5: Solve for x
    x = 5,799,308,459.19/86,700.86
  6. Step 6: Final answer
    x = 66,888.71

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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.