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Finding the Fourth Proportional to 94,690.30, 130,617.52 and 60,686.70

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Solution

The fourth proportional to 94,690.30, 130,617.52 and 60,686.70 is: 83,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,690.30 : 130,617.52 = 60,686.70 : x
  2. Step 2: Convert to fraction form
    94,690.30/130,617.52 = 60,686.70/x
  3. Step 3: Cross multiply
    94,690.30x = 130,617.52 × 60,686.70
  4. Step 4: Simplify right side
    94,690.30x = 7,926,746,250.98
  5. Step 5: Solve for x
    x = 7,926,746,250.98/94,690.30
  6. Step 6: Final answer
    x = 83,712.34

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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.