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Finding the Fourth Proportional to 242,284.65, 333,994.27 and 155,060.13

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Solution

The fourth proportional to 242,284.65, 333,994.27 and 155,060.13 is: 213,753.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,284.65 : 333,994.27 = 155,060.13 : x
  2. Step 2: Convert to fraction form
    242,284.65/333,994.27 = 155,060.13/x
  3. Step 3: Cross multiply
    242,284.65x = 333,994.27 × 155,060.13
  4. Step 4: Simplify right side
    242,284.65x = 51,789,196,081.02
  5. Step 5: Solve for x
    x = 51,789,196,081.02/242,284.65
  6. Step 6: Final answer
    x = 213,753.52

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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.