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Finding the Fourth Proportional to 96,970.96, 133,817.35 and 53,948.27

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Solution

The fourth proportional to 96,970.96, 133,817.35 and 53,948.27 is: 74,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,970.96 : 133,817.35 = 53,948.27 : x
  2. Step 2: Convert to fraction form
    96,970.96/133,817.35 = 53,948.27/x
  3. Step 3: Cross multiply
    96,970.96x = 133,817.35 × 53,948.27
  4. Step 4: Simplify right side
    96,970.96x = 7,219,214,528.48
  5. Step 5: Solve for x
    x = 7,219,214,528.48/96,970.96
  6. Step 6: Final answer
    x = 74,447.18

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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.