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Finding the Fourth Proportional to 233,146.80, 349,720.20 and 64,666.80

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Solution

The fourth proportional to 233,146.80, 349,720.20 and 64,666.80 is: 97,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,146.80 : 349,720.20 = 64,666.80 : x
  2. Step 2: Convert to fraction form
    233,146.80/349,720.20 = 64,666.80/x
  3. Step 3: Cross multiply
    233,146.80x = 349,720.20 × 64,666.80
  4. Step 4: Simplify right side
    233,146.80x = 22,615,286,229.36
  5. Step 5: Solve for x
    x = 22,615,286,229.36/233,146.80
  6. Step 6: Final answer
    x = 97,000.20

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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.