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Finding the Fourth Proportional to 117,377.79, 161,927.55 and 69,613.71

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Solution

The fourth proportional to 117,377.79, 161,927.55 and 69,613.71 is: 96,035.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,377.79 : 161,927.55 = 69,613.71 : x
  2. Step 2: Convert to fraction form
    117,377.79/161,927.55 = 69,613.71/x
  3. Step 3: Cross multiply
    117,377.79x = 161,927.55 × 69,613.71
  4. Step 4: Simplify right side
    117,377.79x = 11,272,377,506.71
  5. Step 5: Solve for x
    x = 11,272,377,506.71/117,377.79
  6. Step 6: Final answer
    x = 96,035.01

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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.