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Finding the Fourth Proportional to 145,892.80, 201,498.14 and 98,063.11

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Solution

The fourth proportional to 145,892.80, 201,498.14 and 98,063.11 is: 135,438.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,892.80 : 201,498.14 = 98,063.11 : x
  2. Step 2: Convert to fraction form
    145,892.80/201,498.14 = 98,063.11/x
  3. Step 3: Cross multiply
    145,892.80x = 201,498.14 × 98,063.11
  4. Step 4: Simplify right side
    145,892.80x = 19,759,533,770.59
  5. Step 5: Solve for x
    x = 19,759,533,770.59/145,892.80
  6. Step 6: Final answer
    x = 135,438.72

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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.