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Finding the Fourth Proportional to 233,763.60, 350,645.40 and 145,117.20

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Solution

The fourth proportional to 233,763.60, 350,645.40 and 145,117.20 is: 217,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,763.60 : 350,645.40 = 145,117.20 : x
  2. Step 2: Convert to fraction form
    233,763.60/350,645.40 = 145,117.20/x
  3. Step 3: Cross multiply
    233,763.60x = 350,645.40 × 145,117.20
  4. Step 4: Simplify right side
    233,763.60x = 50,884,678,640.88
  5. Step 5: Solve for x
    x = 50,884,678,640.88/233,763.60
  6. Step 6: Final answer
    x = 217,675.80

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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.