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Finding the Fourth Proportional to 155,373.60, 233,060.40 and 105,607.20

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Solution

The fourth proportional to 155,373.60, 233,060.40 and 105,607.20 is: 158,410.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,373.60 : 233,060.40 = 105,607.20 : x
  2. Step 2: Convert to fraction form
    155,373.60/233,060.40 = 105,607.20/x
  3. Step 3: Cross multiply
    155,373.60x = 233,060.40 × 105,607.20
  4. Step 4: Simplify right side
    155,373.60x = 24,612,856,274.88
  5. Step 5: Solve for x
    x = 24,612,856,274.88/155,373.60
  6. Step 6: Final answer
    x = 158,410.80

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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.