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Finding the Fourth Proportional to 94,240.71, 130,071.09 and 55,992.90

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Solution

The fourth proportional to 94,240.71, 130,071.09 and 55,992.90 is: 77,281.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,240.71 : 130,071.09 = 55,992.90 : x
  2. Step 2: Convert to fraction form
    94,240.71/130,071.09 = 55,992.90/x
  3. Step 3: Cross multiply
    94,240.71x = 130,071.09 × 55,992.90
  4. Step 4: Simplify right side
    94,240.71x = 7,283,057,535.26
  5. Step 5: Solve for x
    x = 7,283,057,535.26/94,240.71
  6. Step 6: Final answer
    x = 77,281.44

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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.