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Finding the Fourth Proportional to 210,017.76, 314,983.68 and 60,217.92

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Solution

The fourth proportional to 210,017.76, 314,983.68 and 60,217.92 is: 90,314.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,017.76 : 314,983.68 = 60,217.92 : x
  2. Step 2: Convert to fraction form
    210,017.76/314,983.68 = 60,217.92/x
  3. Step 3: Cross multiply
    210,017.76x = 314,983.68 × 60,217.92
  4. Step 4: Simplify right side
    210,017.76x = 18,967,662,043.55
  5. Step 5: Solve for x
    x = 18,967,662,043.55/210,017.76
  6. Step 6: Final answer
    x = 90,314.56

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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.