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Finding the Fourth Proportional to 141,358.65, 212,064.24 and 46,595.48

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Solution

The fourth proportional to 141,358.65, 212,064.24 and 46,595.48 is: 69,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,358.65 : 212,064.24 = 46,595.48 : x
  2. Step 2: Convert to fraction form
    141,358.65/212,064.24 = 46,595.48/x
  3. Step 3: Cross multiply
    141,358.65x = 212,064.24 × 46,595.48
  4. Step 4: Simplify right side
    141,358.65x = 9,881,235,053.64
  5. Step 5: Solve for x
    x = 9,881,235,053.64/141,358.65
  6. Step 6: Final answer
    x = 69,901.88

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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.