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Finding the Fourth Proportional to 185,909.22, 256,555.08 and 101,026.08

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Solution

The fourth proportional to 185,909.22, 256,555.08 and 101,026.08 is: 139,416.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.22 : 256,555.08 = 101,026.08 : x
  2. Step 2: Convert to fraction form
    185,909.22/256,555.08 = 101,026.08/x
  3. Step 3: Cross multiply
    185,909.22x = 256,555.08 × 101,026.08
  4. Step 4: Simplify right side
    185,909.22x = 25,918,754,036.49
  5. Step 5: Solve for x
    x = 25,918,754,036.49/185,909.22
  6. Step 6: Final answer
    x = 139,416.18

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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.