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Finding the Fourth Proportional to 173,897.60, 260,457.60 and 134,326.40

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Solution

The fourth proportional to 173,897.60, 260,457.60 and 134,326.40 is: 201,189.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,897.60 : 260,457.60 = 134,326.40 : x
  2. Step 2: Convert to fraction form
    173,897.60/260,457.60 = 134,326.40/x
  3. Step 3: Cross multiply
    173,897.60x = 260,457.60 × 134,326.40
  4. Step 4: Simplify right side
    173,897.60x = 34,986,331,760.64
  5. Step 5: Solve for x
    x = 34,986,331,760.64/173,897.60
  6. Step 6: Final answer
    x = 201,189.27

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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.