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Finding the Fourth Proportional to 227,655.20, 341,482.80 and 87,417.20

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Solution

The fourth proportional to 227,655.20, 341,482.80 and 87,417.20 is: 131,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,655.20 : 341,482.80 = 87,417.20 : x
  2. Step 2: Convert to fraction form
    227,655.20/341,482.80 = 87,417.20/x
  3. Step 3: Cross multiply
    227,655.20x = 341,482.80 × 87,417.20
  4. Step 4: Simplify right side
    227,655.20x = 29,851,470,224.16
  5. Step 5: Solve for x
    x = 29,851,470,224.16/227,655.20
  6. Step 6: Final answer
    x = 131,125.80

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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.