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Finding the Fourth Proportional to 117,600.40, 176,400.60 and 55,392.40

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Solution

The fourth proportional to 117,600.40, 176,400.60 and 55,392.40 is: 83,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,600.40 : 176,400.60 = 55,392.40 : x
  2. Step 2: Convert to fraction form
    117,600.40/176,400.60 = 55,392.40/x
  3. Step 3: Cross multiply
    117,600.40x = 176,400.60 × 55,392.40
  4. Step 4: Simplify right side
    117,600.40x = 9,771,252,595.44
  5. Step 5: Solve for x
    x = 9,771,252,595.44/117,600.40
  6. Step 6: Final answer
    x = 83,088.60

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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.