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Finding the Fourth Proportional to 169,330.37, 233,686.44 and 93,878.87

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Solution

The fourth proportional to 169,330.37, 233,686.44 and 93,878.87 is: 129,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,330.37 : 233,686.44 = 93,878.87 : x
  2. Step 2: Convert to fraction form
    169,330.37/233,686.44 = 93,878.87/x
  3. Step 3: Cross multiply
    169,330.37x = 233,686.44 × 93,878.87
  4. Step 4: Simplify right side
    169,330.37x = 21,938,217,753.09
  5. Step 5: Solve for x
    x = 21,938,217,753.09/169,330.37
  6. Step 6: Final answer
    x = 129,558.68

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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.