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Finding the Fourth Proportional to 107,382, 148,189.16 and 59,639.76

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Solution

The fourth proportional to 107,382, 148,189.16 and 59,639.76 is: 82,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,382 : 148,189.16 = 59,639.76 : x
  2. Step 2: Convert to fraction form
    107,382/148,189.16 = 59,639.76/x
  3. Step 3: Cross multiply
    107,382x = 148,189.16 × 59,639.76
  4. Step 4: Simplify right side
    107,382x = 8,837,965,937.00
  5. Step 5: Solve for x
    x = 8,837,965,937.00/107,382
  6. Step 6: Final answer
    x = 82,303.98

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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.