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Finding the Fourth Proportional to 91,064.88, 125,669.54 and 53,339.13

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Solution

The fourth proportional to 91,064.88, 125,669.54 and 53,339.13 is: 73,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,064.88 : 125,669.54 = 53,339.13 : x
  2. Step 2: Convert to fraction form
    91,064.88/125,669.54 = 53,339.13/x
  3. Step 3: Cross multiply
    91,064.88x = 125,669.54 × 53,339.13
  4. Step 4: Simplify right side
    91,064.88x = 6,703,104,192.87
  5. Step 5: Solve for x
    x = 6,703,104,192.87/91,064.88
  6. Step 6: Final answer
    x = 73,608.00

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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.