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Finding the Fourth Proportional to 243,346.68, 365,019.48 and 65,858.40

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Solution

The fourth proportional to 243,346.68, 365,019.48 and 65,858.40 is: 98,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,346.68 : 365,019.48 = 65,858.40 : x
  2. Step 2: Convert to fraction form
    243,346.68/365,019.48 = 65,858.40/x
  3. Step 3: Cross multiply
    243,346.68x = 365,019.48 × 65,858.40
  4. Step 4: Simplify right side
    243,346.68x = 24,039,598,921.63
  5. Step 5: Solve for x
    x = 24,039,598,921.63/243,346.68
  6. Step 6: Final answer
    x = 98,787.45

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1.5x scale

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.