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Finding the Fourth Proportional to 101,479.19, 152,215.63 and 48,209.50

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Solution

The fourth proportional to 101,479.19, 152,215.63 and 48,209.50 is: 72,312.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,479.19 : 152,215.63 = 48,209.50 : x
  2. Step 2: Convert to fraction form
    101,479.19/152,215.63 = 48,209.50/x
  3. Step 3: Cross multiply
    101,479.19x = 152,215.63 × 48,209.50
  4. Step 4: Simplify right side
    101,479.19x = 7,338,238,913.42
  5. Step 5: Solve for x
    x = 7,338,238,913.42/101,479.19
  6. Step 6: Final answer
    x = 72,312.75

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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.