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Finding the Fourth Proportional to 103,017.80, 154,332.30 and 96,019.40

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Solution

The fourth proportional to 103,017.80, 154,332.30 and 96,019.40 is: 143,847.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,017.80 : 154,332.30 = 96,019.40 : x
  2. Step 2: Convert to fraction form
    103,017.80/154,332.30 = 96,019.40/x
  3. Step 3: Cross multiply
    103,017.80x = 154,332.30 × 96,019.40
  4. Step 4: Simplify right side
    103,017.80x = 14,818,894,846.62
  5. Step 5: Solve for x
    x = 14,818,894,846.62/103,017.80
  6. Step 6: Final answer
    x = 143,847.91

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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.