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Finding the Fourth Proportional to 86,698.43, 130,047.64 and 24,368.93

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Solution

The fourth proportional to 86,698.43, 130,047.64 and 24,368.93 is: 36,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,698.43 : 130,047.64 = 24,368.93 : x
  2. Step 2: Convert to fraction form
    86,698.43/130,047.64 = 24,368.93/x
  3. Step 3: Cross multiply
    86,698.43x = 130,047.64 × 24,368.93
  4. Step 4: Simplify right side
    86,698.43x = 3,169,121,612.34
  5. Step 5: Solve for x
    x = 3,169,121,612.34/86,698.43
  6. Step 6: Final answer
    x = 36,553.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.