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Finding the Fourth Proportional to 258,104.16, 356,222.32 and 157,560.48

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Solution

The fourth proportional to 258,104.16, 356,222.32 and 157,560.48 is: 217,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,104.16 : 356,222.32 = 157,560.48 : x
  2. Step 2: Convert to fraction form
    258,104.16/356,222.32 = 157,560.48/x
  3. Step 3: Cross multiply
    258,104.16x = 356,222.32 × 157,560.48
  4. Step 4: Simplify right side
    258,104.16x = 56,126,559,725.91
  5. Step 5: Solve for x
    x = 56,126,559,725.91/258,104.16
  6. Step 6: Final answer
    x = 217,457.01

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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.