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Finding the Fourth Proportional to 155,998.80, 233,998.20 and 152,888.40

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Solution

The fourth proportional to 155,998.80, 233,998.20 and 152,888.40 is: 229,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,998.80 : 233,998.20 = 152,888.40 : x
  2. Step 2: Convert to fraction form
    155,998.80/233,998.20 = 152,888.40/x
  3. Step 3: Cross multiply
    155,998.80x = 233,998.20 × 152,888.40
  4. Step 4: Simplify right side
    155,998.80x = 35,775,610,400.88
  5. Step 5: Solve for x
    x = 35,775,610,400.88/155,998.80
  6. Step 6: Final answer
    x = 229,332.60

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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.