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Finding the Fourth Proportional to 232,317.04, 320,710.16 and 155,808.16

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Solution

The fourth proportional to 232,317.04, 320,710.16 and 155,808.16 is: 215,090.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,317.04 : 320,710.16 = 155,808.16 : x
  2. Step 2: Convert to fraction form
    232,317.04/320,710.16 = 155,808.16/x
  3. Step 3: Cross multiply
    232,317.04x = 320,710.16 × 155,808.16
  4. Step 4: Simplify right side
    232,317.04x = 49,969,259,922.91
  5. Step 5: Solve for x
    x = 49,969,259,922.91/232,317.04
  6. Step 6: Final answer
    x = 215,090.81

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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.