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Finding the Fourth Proportional to 116,540.60, 174,810.90 and 97,878.20

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Solution

The fourth proportional to 116,540.60, 174,810.90 and 97,878.20 is: 146,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,540.60 : 174,810.90 = 97,878.20 : x
  2. Step 2: Convert to fraction form
    116,540.60/174,810.90 = 97,878.20/x
  3. Step 3: Cross multiply
    116,540.60x = 174,810.90 × 97,878.20
  4. Step 4: Simplify right side
    116,540.60x = 17,110,176,232.38
  5. Step 5: Solve for x
    x = 17,110,176,232.38/116,540.60
  6. Step 6: Final answer
    x = 146,817.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.