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Finding the Fourth Proportional to 110,969.94, 153,144.65 and 63,214.14

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Solution

The fourth proportional to 110,969.94, 153,144.65 and 63,214.14 is: 87,239.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,969.94 : 153,144.65 = 63,214.14 : x
  2. Step 2: Convert to fraction form
    110,969.94/153,144.65 = 63,214.14/x
  3. Step 3: Cross multiply
    110,969.94x = 153,144.65 × 63,214.14
  4. Step 4: Simplify right side
    110,969.94x = 9,680,906,883.47
  5. Step 5: Solve for x
    x = 9,680,906,883.47/110,969.94
  6. Step 6: Final answer
    x = 87,239.00

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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.