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Finding the Fourth Proportional to 80,681.68, 111,339.13 and 44,870.93

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Solution

The fourth proportional to 80,681.68, 111,339.13 and 44,870.93 is: 61,921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,681.68 : 111,339.13 = 44,870.93 : x
  2. Step 2: Convert to fraction form
    80,681.68/111,339.13 = 44,870.93/x
  3. Step 3: Cross multiply
    80,681.68x = 111,339.13 × 44,870.93
  4. Step 4: Simplify right side
    80,681.68x = 4,995,890,308.49
  5. Step 5: Solve for x
    x = 4,995,890,308.49/80,681.68
  6. Step 6: Final answer
    x = 61,921.00

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1.5x scale

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.