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Finding the Fourth Proportional to 118,812.24, 163,959.30 and 65,094.12

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Solution

The fourth proportional to 118,812.24, 163,959.30 and 65,094.12 is: 89,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,812.24 : 163,959.30 = 65,094.12 : x
  2. Step 2: Convert to fraction form
    118,812.24/163,959.30 = 65,094.12/x
  3. Step 3: Cross multiply
    118,812.24x = 163,959.30 × 65,094.12
  4. Step 4: Simplify right side
    118,812.24x = 10,672,786,349.32
  5. Step 5: Solve for x
    x = 10,672,786,349.32/118,812.24
  6. Step 6: Final answer
    x = 89,829.01

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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.