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Finding the Fourth Proportional to 117,501.60, 176,252.40 and 70,845.60

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Solution

The fourth proportional to 117,501.60, 176,252.40 and 70,845.60 is: 106,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,501.60 : 176,252.40 = 70,845.60 : x
  2. Step 2: Convert to fraction form
    117,501.60/176,252.40 = 70,845.60/x
  3. Step 3: Cross multiply
    117,501.60x = 176,252.40 × 70,845.60
  4. Step 4: Simplify right side
    117,501.60x = 12,486,707,029.44
  5. Step 5: Solve for x
    x = 12,486,707,029.44/117,501.60
  6. Step 6: Final answer
    x = 106,268.40

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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.