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Finding the Fourth Proportional to 117,337.54, 161,925.81 and 63,622.54

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Solution

The fourth proportional to 117,337.54, 161,925.81 and 63,622.54 is: 87,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,337.54 : 161,925.81 = 63,622.54 : x
  2. Step 2: Convert to fraction form
    117,337.54/161,925.81 = 63,622.54/x
  3. Step 3: Cross multiply
    117,337.54x = 161,925.81 × 63,622.54
  4. Step 4: Simplify right side
    117,337.54x = 10,302,131,323.76
  5. Step 5: Solve for x
    x = 10,302,131,323.76/117,337.54
  6. Step 6: Final answer
    x = 87,799.11

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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.