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Finding the Fourth Proportional to 107,008.76, 147,623.10 and 69,295.16

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Solution

The fourth proportional to 107,008.76, 147,623.10 and 69,295.16 is: 95,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008.76 : 147,623.10 = 69,295.16 : x
  2. Step 2: Convert to fraction form
    107,008.76/147,623.10 = 69,295.16/x
  3. Step 3: Cross multiply
    107,008.76x = 147,623.10 × 69,295.16
  4. Step 4: Simplify right side
    107,008.76x = 10,229,566,334.20
  5. Step 5: Solve for x
    x = 10,229,566,334.20/107,008.76
  6. Step 6: Final answer
    x = 95,595.60

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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.