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Finding the Fourth Proportional to 282,005.70, 423,066.15 and 95,036.10

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Solution

The fourth proportional to 282,005.70, 423,066.15 and 95,036.10 is: 142,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,005.70 : 423,066.15 = 95,036.10 : x
  2. Step 2: Convert to fraction form
    282,005.70/423,066.15 = 95,036.10/x
  3. Step 3: Cross multiply
    282,005.70x = 423,066.15 × 95,036.10
  4. Step 4: Simplify right side
    282,005.70x = 40,206,556,938.02
  5. Step 5: Solve for x
    x = 40,206,556,938.02/282,005.70
  6. Step 6: Final answer
    x = 142,573.56

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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.