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Finding the Fourth Proportional to 145,487.68, 200,707.68 and 88,888.48

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Solution

The fourth proportional to 145,487.68, 200,707.68 and 88,888.48 is: 122,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,487.68 : 200,707.68 = 88,888.48 : x
  2. Step 2: Convert to fraction form
    145,487.68/200,707.68 = 88,888.48/x
  3. Step 3: Cross multiply
    145,487.68x = 200,707.68 × 88,888.48
  4. Step 4: Simplify right side
    145,487.68x = 17,840,600,599.53
  5. Step 5: Solve for x
    x = 17,840,600,599.53/145,487.68
  6. Step 6: Final answer
    x = 122,626.19

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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.