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Finding the Fourth Proportional to 171,384.81, 236,482.88 and 107,677.50

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Solution

The fourth proportional to 171,384.81, 236,482.88 and 107,677.50 is: 148,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,384.81 : 236,482.88 = 107,677.50 : x
  2. Step 2: Convert to fraction form
    171,384.81/236,482.88 = 107,677.50/x
  3. Step 3: Cross multiply
    171,384.81x = 236,482.88 × 107,677.50
  4. Step 4: Simplify right side
    171,384.81x = 25,463,884,772.81
  5. Step 5: Solve for x
    x = 25,463,884,772.81/171,384.81
  6. Step 6: Final answer
    x = 148,577.26

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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.