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Finding the Fourth Proportional to 72,498.75, 100,048.28 and 44,210.31

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Solution

The fourth proportional to 72,498.75, 100,048.28 and 44,210.31 is: 61,010.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,498.75 : 100,048.28 = 44,210.31 : x
  2. Step 2: Convert to fraction form
    72,498.75/100,048.28 = 44,210.31/x
  3. Step 3: Cross multiply
    72,498.75x = 100,048.28 × 44,210.31
  4. Step 4: Simplify right side
    72,498.75x = 4,423,165,252.72
  5. Step 5: Solve for x
    x = 4,423,165,252.72/72,498.75
  6. Step 6: Final answer
    x = 61,010.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.