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Finding the Fourth Proportional to 615,335.70, 922,959.74 and 166,082.16

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Solution

The fourth proportional to 615,335.70, 922,959.74 and 166,082.16 is: 249,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,335.70 : 922,959.74 = 166,082.16 : x
  2. Step 2: Convert to fraction form
    615,335.70/922,959.74 = 166,082.16/x
  3. Step 3: Cross multiply
    615,335.70x = 922,959.74 × 166,082.16
  4. Step 4: Simplify right side
    615,335.70x = 153,287,147,212.24
  5. Step 5: Solve for x
    x = 153,287,147,212.24/615,335.70
  6. Step 6: Final answer
    x = 249,111.42

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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.