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Finding the Fourth Proportional to 101,484.76, 140,117.88 and 63,259.60

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Solution

The fourth proportional to 101,484.76, 140,117.88 and 63,259.60 is: 87,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,484.76 : 140,117.88 = 63,259.60 : x
  2. Step 2: Convert to fraction form
    101,484.76/140,117.88 = 63,259.60/x
  3. Step 3: Cross multiply
    101,484.76x = 140,117.88 × 63,259.60
  4. Step 4: Simplify right side
    101,484.76x = 8,863,801,041.65
  5. Step 5: Solve for x
    x = 8,863,801,041.65/101,484.76
  6. Step 6: Final answer
    x = 87,341.20

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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.