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Finding the Fourth Proportional to 89,888.33, 124,045.80 and 49,602.08

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Solution

The fourth proportional to 89,888.33, 124,045.80 and 49,602.08 is: 68,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888.33 : 124,045.80 = 49,602.08 : x
  2. Step 2: Convert to fraction form
    89,888.33/124,045.80 = 49,602.08/x
  3. Step 3: Cross multiply
    89,888.33x = 124,045.80 × 49,602.08
  4. Step 4: Simplify right side
    89,888.33x = 6,152,929,695.26
  5. Step 5: Solve for x
    x = 6,152,929,695.26/89,888.33
  6. Step 6: Final answer
    x = 68,450.82

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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.