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Finding the Fourth Proportional to 96,772.59, 133,590.06 and 64,959.03

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Solution

The fourth proportional to 96,772.59, 133,590.06 and 64,959.03 is: 89,672.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772.59 : 133,590.06 = 64,959.03 : x
  2. Step 2: Convert to fraction form
    96,772.59/133,590.06 = 64,959.03/x
  3. Step 3: Cross multiply
    96,772.59x = 133,590.06 × 64,959.03
  4. Step 4: Simplify right side
    96,772.59x = 8,677,880,715.24
  5. Step 5: Solve for x
    x = 8,677,880,715.24/96,772.59
  6. Step 6: Final answer
    x = 89,672.92

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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.