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Finding the Fourth Proportional to 151,005.60, 208,387.08 and 83,026.89

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Solution

The fourth proportional to 151,005.60, 208,387.08 and 83,026.89 is: 114,576.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,005.60 : 208,387.08 = 83,026.89 : x
  2. Step 2: Convert to fraction form
    151,005.60/208,387.08 = 83,026.89/x
  3. Step 3: Cross multiply
    151,005.60x = 208,387.08 × 83,026.89
  4. Step 4: Simplify right side
    151,005.60x = 17,301,731,168.58
  5. Step 5: Solve for x
    x = 17,301,731,168.58/151,005.60
  6. Step 6: Final answer
    x = 114,576.75

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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.