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Finding the Fourth Proportional to 172,697.68, 238,259.58 and 104,665.57

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Solution

The fourth proportional to 172,697.68, 238,259.58 and 104,665.57 is: 144,400.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,697.68 : 238,259.58 = 104,665.57 : x
  2. Step 2: Convert to fraction form
    172,697.68/238,259.58 = 104,665.57/x
  3. Step 3: Cross multiply
    172,697.68x = 238,259.58 × 104,665.57
  4. Step 4: Simplify right side
    172,697.68x = 24,937,574,748.66
  5. Step 5: Solve for x
    x = 24,937,574,748.66/172,697.68
  6. Step 6: Final answer
    x = 144,400.17

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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.