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Finding the Fourth Proportional to 153,816.60, 230,724.90 and 94,459.80

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Solution

The fourth proportional to 153,816.60, 230,724.90 and 94,459.80 is: 141,689.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,816.60 : 230,724.90 = 94,459.80 : x
  2. Step 2: Convert to fraction form
    153,816.60/230,724.90 = 94,459.80/x
  3. Step 3: Cross multiply
    153,816.60x = 230,724.90 × 94,459.80
  4. Step 4: Simplify right side
    153,816.60x = 21,794,227,909.02
  5. Step 5: Solve for x
    x = 21,794,227,909.02/153,816.60
  6. Step 6: Final answer
    x = 141,689.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.