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Finding the Fourth Proportional to 234,737.60, 323,888.02 and 139,275.32

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Solution

The fourth proportional to 234,737.60, 323,888.02 and 139,275.32 is: 192,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,737.60 : 323,888.02 = 139,275.32 : x
  2. Step 2: Convert to fraction form
    234,737.60/323,888.02 = 139,275.32/x
  3. Step 3: Cross multiply
    234,737.60x = 323,888.02 × 139,275.32
  4. Step 4: Simplify right side
    234,737.60x = 45,109,605,662.04
  5. Step 5: Solve for x
    x = 45,109,605,662.04/234,737.60
  6. Step 6: Final answer
    x = 192,170.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.