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Finding the Fourth Proportional to 94,700.80, 130,730.12 and 60,722.11

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Solution

The fourth proportional to 94,700.80, 130,730.12 and 60,722.11 is: 83,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,700.80 : 130,730.12 = 60,722.11 : x
  2. Step 2: Convert to fraction form
    94,700.80/130,730.12 = 60,722.11/x
  3. Step 3: Cross multiply
    94,700.80x = 130,730.12 × 60,722.11
  4. Step 4: Simplify right side
    94,700.80x = 7,938,208,726.95
  5. Step 5: Solve for x
    x = 7,938,208,726.95/94,700.80
  6. Step 6: Final answer
    x = 83,824.09

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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.