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Finding the Fourth Proportional to 193,671.40, 290,507.10 and 162,567.40

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Solution

The fourth proportional to 193,671.40, 290,507.10 and 162,567.40 is: 243,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,671.40 : 290,507.10 = 162,567.40 : x
  2. Step 2: Convert to fraction form
    193,671.40/290,507.10 = 162,567.40/x
  3. Step 3: Cross multiply
    193,671.40x = 290,507.10 × 162,567.40
  4. Step 4: Simplify right side
    193,671.40x = 47,226,983,928.54
  5. Step 5: Solve for x
    x = 47,226,983,928.54/193,671.40
  6. Step 6: Final answer
    x = 243,851.10

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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.