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Finding the Fourth Proportional to 160,003.60, 240,005.40 and 124,752.40

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Solution

The fourth proportional to 160,003.60, 240,005.40 and 124,752.40 is: 187,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,003.60 : 240,005.40 = 124,752.40 : x
  2. Step 2: Convert to fraction form
    160,003.60/240,005.40 = 124,752.40/x
  3. Step 3: Cross multiply
    160,003.60x = 240,005.40 × 124,752.40
  4. Step 4: Simplify right side
    160,003.60x = 29,941,249,662.96
  5. Step 5: Solve for x
    x = 29,941,249,662.96/160,003.60
  6. Step 6: Final answer
    x = 187,128.60

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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.