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Finding the Fourth Proportional to 145,468.40, 200,840.16 and 93,808.59

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Solution

The fourth proportional to 145,468.40, 200,840.16 and 93,808.59 is: 129,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,468.40 : 200,840.16 = 93,808.59 : x
  2. Step 2: Convert to fraction form
    145,468.40/200,840.16 = 93,808.59/x
  3. Step 3: Cross multiply
    145,468.40x = 200,840.16 × 93,808.59
  4. Step 4: Simplify right side
    145,468.40x = 18,840,532,224.97
  5. Step 5: Solve for x
    x = 18,840,532,224.97/145,468.40
  6. Step 6: Final answer
    x = 129,516.33

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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.