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Finding the Fourth Proportional to 145,595.68, 200,797.80 and 88,221.76

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Solution

The fourth proportional to 145,595.68, 200,797.80 and 88,221.76 is: 121,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,595.68 : 200,797.80 = 88,221.76 : x
  2. Step 2: Convert to fraction form
    145,595.68/200,797.80 = 88,221.76/x
  3. Step 3: Cross multiply
    145,595.68x = 200,797.80 × 88,221.76
  4. Step 4: Simplify right side
    145,595.68x = 17,714,735,320.13
  5. Step 5: Solve for x
    x = 17,714,735,320.13/145,595.68
  6. Step 6: Final answer
    x = 121,670.75

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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.