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Finding the Fourth Proportional to 148,510.80, 223,025.40 and 143,845.20

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Solution

The fourth proportional to 148,510.80, 223,025.40 and 143,845.20 is: 216,018.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,510.80 : 223,025.40 = 143,845.20 : x
  2. Step 2: Convert to fraction form
    148,510.80/223,025.40 = 143,845.20/x
  3. Step 3: Cross multiply
    148,510.80x = 223,025.40 × 143,845.20
  4. Step 4: Simplify right side
    148,510.80x = 32,081,133,268.08
  5. Step 5: Solve for x
    x = 32,081,133,268.08/148,510.80
  6. Step 6: Final answer
    x = 216,018.86

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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.