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Finding the Fourth Proportional to 615,340.70, 922,967.22 and 166,087.16

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Solution

The fourth proportional to 615,340.70, 922,967.22 and 166,087.16 is: 249,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,340.70 : 922,967.22 = 166,087.16 : x
  2. Step 2: Convert to fraction form
    615,340.70/922,967.22 = 166,087.16/x
  3. Step 3: Cross multiply
    615,340.70x = 922,967.22 × 166,087.16
  4. Step 4: Simplify right side
    615,340.70x = 153,293,004,342.90
  5. Step 5: Solve for x
    x = 153,293,004,342.90/615,340.70
  6. Step 6: Final answer
    x = 249,118.91

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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.