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Finding the Fourth Proportional to 124,520.80, 174,562.40 and 124,520.80

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Solution

The fourth proportional to 124,520.80, 174,562.40 and 124,520.80 is: 174,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,520.80 : 174,562.40 = 124,520.80 : x
  2. Step 2: Convert to fraction form
    124,520.80/174,562.40 = 124,520.80/x
  3. Step 3: Cross multiply
    124,520.80x = 174,562.40 × 124,520.80
  4. Step 4: Simplify right side
    124,520.80x = 21,736,649,697.92
  5. Step 5: Solve for x
    x = 21,736,649,697.92/124,520.80
  6. Step 6: Final answer
    x = 174,562.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.