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Finding the Fourth Proportional to 147,210.40, 220,815.60 and 73,482.40

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Solution

The fourth proportional to 147,210.40, 220,815.60 and 73,482.40 is: 110,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,210.40 : 220,815.60 = 73,482.40 : x
  2. Step 2: Convert to fraction form
    147,210.40/220,815.60 = 73,482.40/x
  3. Step 3: Cross multiply
    147,210.40x = 220,815.60 × 73,482.40
  4. Step 4: Simplify right side
    147,210.40x = 16,226,060,245.44
  5. Step 5: Solve for x
    x = 16,226,060,245.44/147,210.40
  6. Step 6: Final answer
    x = 110,223.60

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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.