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Finding the Fourth Proportional to 88,322.93, 121,882.13 and 48,036.67

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Solution

The fourth proportional to 88,322.93, 121,882.13 and 48,036.67 is: 66,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,322.93 : 121,882.13 = 48,036.67 : x
  2. Step 2: Convert to fraction form
    88,322.93/121,882.13 = 48,036.67/x
  3. Step 3: Cross multiply
    88,322.93x = 121,882.13 × 48,036.67
  4. Step 4: Simplify right side
    88,322.93x = 5,854,811,657.71
  5. Step 5: Solve for x
    x = 5,854,811,657.71/88,322.93
  6. Step 6: Final answer
    x = 66,288.69

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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.