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Finding the Fourth Proportional to 200,506, 300,759 and 60,264.76

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Solution

The fourth proportional to 200,506, 300,759 and 60,264.76 is: 90,397.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,506 : 300,759 = 60,264.76 : x
  2. Step 2: Convert to fraction form
    200,506/300,759 = 60,264.76/x
  3. Step 3: Cross multiply
    200,506x = 300,759 × 60,264.76
  4. Step 4: Simplify right side
    200,506x = 18,125,168,952.84
  5. Step 5: Solve for x
    x = 18,125,168,952.84/200,506
  6. Step 6: Final answer
    x = 90,397.14

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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.