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Finding the Fourth Proportional to 242,737.74, 334,840.91 and 151,936.07

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Solution

The fourth proportional to 242,737.74, 334,840.91 and 151,936.07 is: 209,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,737.74 : 334,840.91 = 151,936.07 : x
  2. Step 2: Convert to fraction form
    242,737.74/334,840.91 = 151,936.07/x
  3. Step 3: Cross multiply
    242,737.74x = 334,840.91 × 151,936.07
  4. Step 4: Simplify right side
    242,737.74x = 50,874,409,506.74
  5. Step 5: Solve for x
    x = 50,874,409,506.74/242,737.74
  6. Step 6: Final answer
    x = 209,585.91

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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.