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Finding the Fourth Proportional to 285,602.15, 428,424.80 and 96,063.06

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Solution

The fourth proportional to 285,602.15, 428,424.80 and 96,063.06 is: 144,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,602.15 : 428,424.80 = 96,063.06 : x
  2. Step 2: Convert to fraction form
    285,602.15/428,424.80 = 96,063.06/x
  3. Step 3: Cross multiply
    285,602.15x = 428,424.80 × 96,063.06
  4. Step 4: Simplify right side
    285,602.15x = 41,155,798,394.17
  5. Step 5: Solve for x
    x = 41,155,798,394.17/285,602.15
  6. Step 6: Final answer
    x = 144,101.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.