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Finding the Fourth Proportional to 253,159.55, 349,349.06 and 144,287.46

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Solution

The fourth proportional to 253,159.55, 349,349.06 and 144,287.46 is: 199,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,159.55 : 349,349.06 = 144,287.46 : x
  2. Step 2: Convert to fraction form
    253,159.55/349,349.06 = 144,287.46/x
  3. Step 3: Cross multiply
    253,159.55x = 349,349.06 × 144,287.46
  4. Step 4: Simplify right side
    253,159.55x = 50,406,686,052.61
  5. Step 5: Solve for x
    x = 50,406,686,052.61/253,159.55
  6. Step 6: Final answer
    x = 199,110.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.