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Finding the Fourth Proportional to 615,269.10, 922,903.65 and 166,059.30

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Solution

The fourth proportional to 615,269.10, 922,903.65 and 166,059.30 is: 249,088.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,269.10 : 922,903.65 = 166,059.30 : x
  2. Step 2: Convert to fraction form
    615,269.10/922,903.65 = 166,059.30/x
  3. Step 3: Cross multiply
    615,269.10x = 922,903.65 × 166,059.30
  4. Step 4: Simplify right side
    615,269.10x = 153,256,734,086.45
  5. Step 5: Solve for x
    x = 153,256,734,086.45/615,269.10
  6. Step 6: Final answer
    x = 249,088.95

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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.