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Finding the Fourth Proportional to 118,866.08, 164,036.04 and 65,154.08

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Solution

The fourth proportional to 118,866.08, 164,036.04 and 65,154.08 is: 89,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,866.08 : 164,036.04 = 65,154.08 : x
  2. Step 2: Convert to fraction form
    118,866.08/164,036.04 = 65,154.08/x
  3. Step 3: Cross multiply
    118,866.08x = 164,036.04 × 65,154.08
  4. Step 4: Simplify right side
    118,866.08x = 10,687,617,273.04
  5. Step 5: Solve for x
    x = 10,687,617,273.04/118,866.08
  6. Step 6: Final answer
    x = 89,913.10

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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.