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Finding the Fourth Proportional to 159,975.04, 220,646.24 and 141,847.04

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Solution

The fourth proportional to 159,975.04, 220,646.24 and 141,847.04 is: 195,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,975.04 : 220,646.24 = 141,847.04 : x
  2. Step 2: Convert to fraction form
    159,975.04/220,646.24 = 141,847.04/x
  3. Step 3: Cross multiply
    159,975.04x = 220,646.24 × 141,847.04
  4. Step 4: Simplify right side
    159,975.04x = 31,298,016,031.13
  5. Step 5: Solve for x
    x = 31,298,016,031.13/159,975.04
  6. Step 6: Final answer
    x = 195,643.12

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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.