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Finding the Fourth Proportional to 93,248.83, 128,628.44 and 65,994.26

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Solution

The fourth proportional to 93,248.83, 128,628.44 and 65,994.26 is: 91,033.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,248.83 : 128,628.44 = 65,994.26 : x
  2. Step 2: Convert to fraction form
    93,248.83/128,628.44 = 65,994.26/x
  3. Step 3: Cross multiply
    93,248.83x = 128,628.44 × 65,994.26
  4. Step 4: Simplify right side
    93,248.83x = 8,488,737,987.12
  5. Step 5: Solve for x
    x = 8,488,737,987.12/93,248.83
  6. Step 6: Final answer
    x = 91,033.18

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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.