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Finding the Fourth Proportional to 233,018.70, 349,548.03 and 99,867.30

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Solution

The fourth proportional to 233,018.70, 349,548.03 and 99,867.30 is: 149,809.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,018.70 : 349,548.03 = 99,867.30 : x
  2. Step 2: Convert to fraction form
    233,018.70/349,548.03 = 99,867.30/x
  3. Step 3: Cross multiply
    233,018.70x = 349,548.03 × 99,867.30
  4. Step 4: Simplify right side
    233,018.70x = 34,908,417,976.42
  5. Step 5: Solve for x
    x = 34,908,417,976.42/233,018.70
  6. Step 6: Final answer
    x = 149,809.51

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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.