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Finding the Fourth Proportional to 188,612.65, 282,953.95 and 62,261.69

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Solution

The fourth proportional to 188,612.65, 282,953.95 and 62,261.69 is: 93,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,612.65 : 282,953.95 = 62,261.69 : x
  2. Step 2: Convert to fraction form
    188,612.65/282,953.95 = 62,261.69/x
  3. Step 3: Cross multiply
    188,612.65x = 282,953.95 × 62,261.69
  4. Step 4: Simplify right side
    188,612.65x = 17,617,191,119.18
  5. Step 5: Solve for x
    x = 17,617,191,119.18/188,612.65
  6. Step 6: Final answer
    x = 93,404.08

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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.