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Finding the Fourth Proportional to 124,880.60, 187,320.90 and 124,005.80

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Solution

The fourth proportional to 124,880.60, 187,320.90 and 124,005.80 is: 186,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,880.60 : 187,320.90 = 124,005.80 : x
  2. Step 2: Convert to fraction form
    124,880.60/187,320.90 = 124,005.80/x
  3. Step 3: Cross multiply
    124,880.60x = 187,320.90 × 124,005.80
  4. Step 4: Simplify right side
    124,880.60x = 23,228,878,061.22
  5. Step 5: Solve for x
    x = 23,228,878,061.22/124,880.60
  6. Step 6: Final answer
    x = 186,008.70

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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.