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Finding the Fourth Proportional to 144,347.50, 199,287.03 and 94,133.98

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Solution

The fourth proportional to 144,347.50, 199,287.03 and 94,133.98 is: 129,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,347.50 : 199,287.03 = 94,133.98 : x
  2. Step 2: Convert to fraction form
    144,347.50/199,287.03 = 94,133.98/x
  3. Step 3: Cross multiply
    144,347.50x = 199,287.03 × 94,133.98
  4. Step 4: Simplify right side
    144,347.50x = 18,759,681,296.28
  5. Step 5: Solve for x
    x = 18,759,681,296.28/144,347.50
  6. Step 6: Final answer
    x = 129,961.94

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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.