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Finding the Fourth Proportional to 118,461.52, 163,479.52 and 64,750.08

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Solution

The fourth proportional to 118,461.52, 163,479.52 and 64,750.08 is: 89,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,461.52 : 163,479.52 = 64,750.08 : x
  2. Step 2: Convert to fraction form
    118,461.52/163,479.52 = 64,750.08/x
  3. Step 3: Cross multiply
    118,461.52x = 163,479.52 × 64,750.08
  4. Step 4: Simplify right side
    118,461.52x = 10,585,311,998.36
  5. Step 5: Solve for x
    x = 10,585,311,998.36/118,461.52
  6. Step 6: Final answer
    x = 89,356.54

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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.