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Finding the Fourth Proportional to 109,354.52, 150,889.02 and 64,030.16

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Solution

The fourth proportional to 109,354.52, 150,889.02 and 64,030.16 is: 88,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,354.52 : 150,889.02 = 64,030.16 : x
  2. Step 2: Convert to fraction form
    109,354.52/150,889.02 = 64,030.16/x
  3. Step 3: Cross multiply
    109,354.52x = 150,889.02 × 64,030.16
  4. Step 4: Simplify right side
    109,354.52x = 9,661,448,092.84
  5. Step 5: Solve for x
    x = 9,661,448,092.84/109,354.52
  6. Step 6: Final answer
    x = 88,349.78

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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.