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Finding the Fourth Proportional to 181,462.48, 250,445.45 and 130,643.42

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Solution

The fourth proportional to 181,462.48, 250,445.45 and 130,643.42 is: 180,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,462.48 : 250,445.45 = 130,643.42 : x
  2. Step 2: Convert to fraction form
    181,462.48/250,445.45 = 130,643.42/x
  3. Step 3: Cross multiply
    181,462.48x = 250,445.45 × 130,643.42
  4. Step 4: Simplify right side
    181,462.48x = 32,719,049,185.82
  5. Step 5: Solve for x
    x = 32,719,049,185.82/181,462.48
  6. Step 6: Final answer
    x = 180,307.52

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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.