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Finding the Fourth Proportional to 114,070.48, 157,414.53 and 66,340.42

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Solution

The fourth proportional to 114,070.48, 157,414.53 and 66,340.42 is: 91,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,070.48 : 157,414.53 = 66,340.42 : x
  2. Step 2: Convert to fraction form
    114,070.48/157,414.53 = 66,340.42/x
  3. Step 3: Cross multiply
    114,070.48x = 157,414.53 × 66,340.42
  4. Step 4: Simplify right side
    114,070.48x = 10,442,946,034.30
  5. Step 5: Solve for x
    x = 10,442,946,034.30/114,070.48
  6. Step 6: Final answer
    x = 91,548.19

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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.