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Finding the Fourth Proportional to 152,203.68, 228,307.06 and 67,968.14

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Solution

The fourth proportional to 152,203.68, 228,307.06 and 67,968.14 is: 101,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,203.68 : 228,307.06 = 67,968.14 : x
  2. Step 2: Convert to fraction form
    152,203.68/228,307.06 = 67,968.14/x
  3. Step 3: Cross multiply
    152,203.68x = 228,307.06 × 67,968.14
  4. Step 4: Simplify right side
    152,203.68x = 15,517,605,160.49
  5. Step 5: Solve for x
    x = 15,517,605,160.49/152,203.68
  6. Step 6: Final answer
    x = 101,952.89

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1.5x scale

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.