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Finding the Fourth Proportional to 157,180.48, 216,914.29 and 88,282.06

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Solution

The fourth proportional to 157,180.48, 216,914.29 and 88,282.06 is: 121,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,180.48 : 216,914.29 = 88,282.06 : x
  2. Step 2: Convert to fraction form
    157,180.48/216,914.29 = 88,282.06/x
  3. Step 3: Cross multiply
    157,180.48x = 216,914.29 × 88,282.06
  4. Step 4: Simplify right side
    157,180.48x = 19,149,641,509.12
  5. Step 5: Solve for x
    x = 19,149,641,509.12/157,180.48
  6. Step 6: Final answer
    x = 121,832.19

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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.