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Finding the Fourth Proportional to 615,324.66, 922,943.25 and 166,071.12

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Solution

The fourth proportional to 615,324.66, 922,943.25 and 166,071.12 is: 249,094.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,324.66 : 922,943.25 = 166,071.12 : x
  2. Step 2: Convert to fraction form
    615,324.66/922,943.25 = 166,071.12/x
  3. Step 3: Cross multiply
    615,324.66x = 922,943.25 × 166,071.12
  4. Step 4: Simplify right side
    615,324.66x = 153,274,219,223.94
  5. Step 5: Solve for x
    x = 153,274,219,223.94/615,324.66
  6. Step 6: Final answer
    x = 249,094.87

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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.