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Finding the Fourth Proportional to 114,437.80, 157,892.49 and 66,036.36

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Solution

The fourth proportional to 114,437.80, 157,892.49 and 66,036.36 is: 91,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,437.80 : 157,892.49 = 66,036.36 : x
  2. Step 2: Convert to fraction form
    114,437.80/157,892.49 = 66,036.36/x
  3. Step 3: Cross multiply
    114,437.80x = 157,892.49 × 66,036.36
  4. Step 4: Simplify right side
    114,437.80x = 10,426,644,980.75
  5. Step 5: Solve for x
    x = 10,426,644,980.75/114,437.80
  6. Step 6: Final answer
    x = 91,111.90

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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.