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Finding the Fourth Proportional to 173,318.40, 243,345.60 and 173,318.40

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Solution

The fourth proportional to 173,318.40, 243,345.60 and 173,318.40 is: 243,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,318.40 : 243,345.60 = 173,318.40 : x
  2. Step 2: Convert to fraction form
    173,318.40/243,345.60 = 173,318.40/x
  3. Step 3: Cross multiply
    173,318.40x = 243,345.60 × 173,318.40
  4. Step 4: Simplify right side
    173,318.40x = 42,176,270,039.04
  5. Step 5: Solve for x
    x = 42,176,270,039.04/173,318.40
  6. Step 6: Final answer
    x = 243,345.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.