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Finding the Fourth Proportional to 115,925.60, 173,823.60 and 49,354.40

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Solution

The fourth proportional to 115,925.60, 173,823.60 and 49,354.40 is: 74,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,925.60 : 173,823.60 = 49,354.40 : x
  2. Step 2: Convert to fraction form
    115,925.60/173,823.60 = 49,354.40/x
  3. Step 3: Cross multiply
    115,925.60x = 173,823.60 × 49,354.40
  4. Step 4: Simplify right side
    115,925.60x = 8,578,959,483.84
  5. Step 5: Solve for x
    x = 8,578,959,483.84/115,925.60
  6. Step 6: Final answer
    x = 74,004.01

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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.