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Finding the Fourth Proportional to 101,482.12, 152,048.22 and 79,000.84

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Solution

The fourth proportional to 101,482.12, 152,048.22 and 79,000.84 is: 118,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,482.12 : 152,048.22 = 79,000.84 : x
  2. Step 2: Convert to fraction form
    101,482.12/152,048.22 = 79,000.84/x
  3. Step 3: Cross multiply
    101,482.12x = 152,048.22 × 79,000.84
  4. Step 4: Simplify right side
    101,482.12x = 12,011,937,100.50
  5. Step 5: Solve for x
    x = 12,011,937,100.50/101,482.12
  6. Step 6: Final answer
    x = 118,365.06

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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.