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Finding the Fourth Proportional to 84,758.88, 116,966.16 and 47,032.32

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Solution

The fourth proportional to 84,758.88, 116,966.16 and 47,032.32 is: 64,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,758.88 : 116,966.16 = 47,032.32 : x
  2. Step 2: Convert to fraction form
    84,758.88/116,966.16 = 47,032.32/x
  3. Step 3: Cross multiply
    84,758.88x = 116,966.16 × 47,032.32
  4. Step 4: Simplify right side
    84,758.88x = 5,501,189,866.29
  5. Step 5: Solve for x
    x = 5,501,189,866.29/84,758.88
  6. Step 6: Final answer
    x = 64,903.99

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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.