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Finding the Fourth Proportional to 201,011.86, 277,526.16 and 124,612.60

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Solution

The fourth proportional to 201,011.86, 277,526.16 and 124,612.60 is: 172,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,011.86 : 277,526.16 = 124,612.60 : x
  2. Step 2: Convert to fraction form
    201,011.86/277,526.16 = 124,612.60/x
  3. Step 3: Cross multiply
    201,011.86x = 277,526.16 × 124,612.60
  4. Step 4: Simplify right side
    201,011.86x = 34,583,256,365.62
  5. Step 5: Solve for x
    x = 34,583,256,365.62/201,011.86
  6. Step 6: Final answer
    x = 172,045.85

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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.