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Finding the Fourth Proportional to 172,937.64, 238,707.24 and 101,340.93

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Solution

The fourth proportional to 172,937.64, 238,707.24 and 101,340.93 is: 139,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,937.64 : 238,707.24 = 101,340.93 : x
  2. Step 2: Convert to fraction form
    172,937.64/238,707.24 = 101,340.93/x
  3. Step 3: Cross multiply
    172,937.64x = 238,707.24 × 101,340.93
  4. Step 4: Simplify right side
    172,937.64x = 24,190,813,699.33
  5. Step 5: Solve for x
    x = 24,190,813,699.33/172,937.64
  6. Step 6: Final answer
    x = 139,881.72

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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.