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Finding the Fourth Proportional to 96,399.16, 133,030.80 and 53,957.68

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Solution

The fourth proportional to 96,399.16, 133,030.80 and 53,957.68 is: 74,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,399.16 : 133,030.80 = 53,957.68 : x
  2. Step 2: Convert to fraction form
    96,399.16/133,030.80 = 53,957.68/x
  3. Step 3: Cross multiply
    96,399.16x = 133,030.80 × 53,957.68
  4. Step 4: Simplify right side
    96,399.16x = 7,178,033,336.54
  5. Step 5: Solve for x
    x = 7,178,033,336.54/96,399.16
  6. Step 6: Final answer
    x = 74,461.58

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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.