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Finding the Fourth Proportional to 117,048.76, 161,526.10 and 63,332.60

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Solution

The fourth proportional to 117,048.76, 161,526.10 and 63,332.60 is: 87,398.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048.76 : 161,526.10 = 63,332.60 : x
  2. Step 2: Convert to fraction form
    117,048.76/161,526.10 = 63,332.60/x
  3. Step 3: Cross multiply
    117,048.76x = 161,526.10 × 63,332.60
  4. Step 4: Simplify right side
    117,048.76x = 10,229,867,880.86
  5. Step 5: Solve for x
    x = 10,229,867,880.86/117,048.76
  6. Step 6: Final answer
    x = 87,398.34

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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.