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Finding the Fourth Proportional to 162,004.90, 243,007.35 and 162,004.90

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Solution

The fourth proportional to 162,004.90, 243,007.35 and 162,004.90 is: 243,007.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,004.90 : 243,007.35 = 162,004.90 : x
  2. Step 2: Convert to fraction form
    162,004.90/243,007.35 = 162,004.90/x
  3. Step 3: Cross multiply
    162,004.90x = 243,007.35 × 162,004.90
  4. Step 4: Simplify right side
    162,004.90x = 39,368,381,436.02
  5. Step 5: Solve for x
    x = 39,368,381,436.02/162,004.90
  6. Step 6: Final answer
    x = 243,007.35

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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.