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Finding the Fourth Proportional to 180,767.52, 249,467.52 and 100,196.76

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Solution

The fourth proportional to 180,767.52, 249,467.52 and 100,196.76 is: 138,276.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,767.52 : 249,467.52 = 100,196.76 : x
  2. Step 2: Convert to fraction form
    180,767.52/249,467.52 = 100,196.76/x
  3. Step 3: Cross multiply
    180,767.52x = 249,467.52 × 100,196.76
  4. Step 4: Simplify right side
    180,767.52x = 24,995,837,229.24
  5. Step 5: Solve for x
    x = 24,995,837,229.24/180,767.52
  6. Step 6: Final answer
    x = 138,276.15

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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.