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Finding the Fourth Proportional to 86,089.86, 118,805.13 and 52,097.94

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Solution

The fourth proportional to 86,089.86, 118,805.13 and 52,097.94 is: 71,895.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,089.86 : 118,805.13 = 52,097.94 : x
  2. Step 2: Convert to fraction form
    86,089.86/118,805.13 = 52,097.94/x
  3. Step 3: Cross multiply
    86,089.86x = 118,805.13 × 52,097.94
  4. Step 4: Simplify right side
    86,089.86x = 6,189,502,534.43
  5. Step 5: Solve for x
    x = 6,189,502,534.43/86,089.86
  6. Step 6: Final answer
    x = 71,895.84

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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.