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Finding the Fourth Proportional to 233,159.70, 349,739.55 and 149,178.90

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Solution

The fourth proportional to 233,159.70, 349,739.55 and 149,178.90 is: 223,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,159.70 : 349,739.55 = 149,178.90 : x
  2. Step 2: Convert to fraction form
    233,159.70/349,739.55 = 149,178.90/x
  3. Step 3: Cross multiply
    233,159.70x = 349,739.55 × 149,178.90
  4. Step 4: Simplify right side
    233,159.70x = 52,173,761,355.50
  5. Step 5: Solve for x
    x = 52,173,761,355.50/233,159.70
  6. Step 6: Final answer
    x = 223,768.35

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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.