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Finding the Fourth Proportional to 118,595.52, 163,661.52 and 64,880.40

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Solution

The fourth proportional to 118,595.52, 163,661.52 and 64,880.40 is: 89,534.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,595.52 : 163,661.52 = 64,880.40 : x
  2. Step 2: Convert to fraction form
    118,595.52/163,661.52 = 64,880.40/x
  3. Step 3: Cross multiply
    118,595.52x = 163,661.52 × 64,880.40
  4. Step 4: Simplify right side
    118,595.52x = 10,618,424,882.21
  5. Step 5: Solve for x
    x = 10,618,424,882.21/118,595.52
  6. Step 6: Final answer
    x = 89,534.79

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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.