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Finding the Fourth Proportional to 96,730.88, 133,454.40 and 63,216.32

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Solution

The fourth proportional to 96,730.88, 133,454.40 and 63,216.32 is: 87,216.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,730.88 : 133,454.40 = 63,216.32 : x
  2. Step 2: Convert to fraction form
    96,730.88/133,454.40 = 63,216.32/x
  3. Step 3: Cross multiply
    96,730.88x = 133,454.40 × 63,216.32
  4. Step 4: Simplify right side
    96,730.88x = 8,436,496,055.81
  5. Step 5: Solve for x
    x = 8,436,496,055.81/96,730.88
  6. Step 6: Final answer
    x = 87,216.16

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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.