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Finding the Fourth Proportional to 145,598.68, 200,801.94 and 88,224.76

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Solution

The fourth proportional to 145,598.68, 200,801.94 and 88,224.76 is: 121,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,598.68 : 200,801.94 = 88,224.76 : x
  2. Step 2: Convert to fraction form
    145,598.68/200,801.94 = 88,224.76/x
  3. Step 3: Cross multiply
    145,598.68x = 200,801.94 × 88,224.76
  4. Step 4: Simplify right side
    145,598.68x = 17,715,702,964.03
  5. Step 5: Solve for x
    x = 17,715,702,964.03/145,598.68
  6. Step 6: Final answer
    x = 121,674.89

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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.