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Finding the Fourth Proportional to 615,349.64, 922,980.72 and 166,096.16

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Solution

The fourth proportional to 615,349.64, 922,980.72 and 166,096.16 is: 249,132.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,349.64 : 922,980.72 = 166,096.16 : x
  2. Step 2: Convert to fraction form
    615,349.64/922,980.72 = 166,096.16/x
  3. Step 3: Cross multiply
    615,349.64x = 922,980.72 × 166,096.16
  4. Step 4: Simplify right side
    615,349.64x = 153,303,553,346.04
  5. Step 5: Solve for x
    x = 153,303,553,346.04/615,349.64
  6. Step 6: Final answer
    x = 249,132.43

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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.