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Finding the Fourth Proportional to 115,033.60, 172,647.60 and 44,963.20

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Solution

The fourth proportional to 115,033.60, 172,647.60 and 44,963.20 is: 67,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,033.60 : 172,647.60 = 44,963.20 : x
  2. Step 2: Convert to fraction form
    115,033.60/172,647.60 = 44,963.20/x
  3. Step 3: Cross multiply
    115,033.60x = 172,647.60 × 44,963.20
  4. Step 4: Simplify right side
    115,033.60x = 7,762,788,568.32
  5. Step 5: Solve for x
    x = 7,762,788,568.32/115,033.60
  6. Step 6: Final answer
    x = 67,482.79

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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.