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Finding the Fourth Proportional to 169,417.78, 233,824.53 and 93,990.58

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Solution

The fourth proportional to 169,417.78, 233,824.53 and 93,990.58 is: 129,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,417.78 : 233,824.53 = 93,990.58 : x
  2. Step 2: Convert to fraction form
    169,417.78/233,824.53 = 93,990.58/x
  3. Step 3: Cross multiply
    169,417.78x = 233,824.53 × 93,990.58
  4. Step 4: Simplify right side
    169,417.78x = 21,977,303,192.93
  5. Step 5: Solve for x
    x = 21,977,303,192.93/169,417.78
  6. Step 6: Final answer
    x = 129,722.53

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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.