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Finding the Fourth Proportional to 112,888.50, 155,795.85 and 62,597.22

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Solution

The fourth proportional to 112,888.50, 155,795.85 and 62,597.22 is: 86,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,888.50 : 155,795.85 = 62,597.22 : x
  2. Step 2: Convert to fraction form
    112,888.50/155,795.85 = 62,597.22/x
  3. Step 3: Cross multiply
    112,888.50x = 155,795.85 × 62,597.22
  4. Step 4: Simplify right side
    112,888.50x = 9,752,387,097.54
  5. Step 5: Solve for x
    x = 9,752,387,097.54/112,888.50
  6. Step 6: Final answer
    x = 86,389.55

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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.