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Finding the Fourth Proportional to 174,177.40, 240,374.32 and 97,720.72

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Solution

The fourth proportional to 174,177.40, 240,374.32 and 97,720.72 is: 134,859.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,177.40 : 240,374.32 = 97,720.72 : x
  2. Step 2: Convert to fraction form
    174,177.40/240,374.32 = 97,720.72/x
  3. Step 3: Cross multiply
    174,177.40x = 240,374.32 × 97,720.72
  4. Step 4: Simplify right side
    174,177.40x = 23,489,551,619.91
  5. Step 5: Solve for x
    x = 23,489,551,619.91/174,177.40
  6. Step 6: Final answer
    x = 134,859.93

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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.