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Finding the Fourth Proportional to 153,886.60, 230,772.30 and 54,008.20

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Solution

The fourth proportional to 153,886.60, 230,772.30 and 54,008.20 is: 80,992.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,886.60 : 230,772.30 = 54,008.20 : x
  2. Step 2: Convert to fraction form
    153,886.60/230,772.30 = 54,008.20/x
  3. Step 3: Cross multiply
    153,886.60x = 230,772.30 × 54,008.20
  4. Step 4: Simplify right side
    153,886.60x = 12,463,596,532.86
  5. Step 5: Solve for x
    x = 12,463,596,532.86/153,886.60
  6. Step 6: Final answer
    x = 80,992.08

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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.