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Finding the Fourth Proportional to 157,027.64, 216,693.50 and 89,050.82

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Solution

The fourth proportional to 157,027.64, 216,693.50 and 89,050.82 is: 122,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,027.64 : 216,693.50 = 89,050.82 : x
  2. Step 2: Convert to fraction form
    157,027.64/216,693.50 = 89,050.82/x
  3. Step 3: Cross multiply
    157,027.64x = 216,693.50 × 89,050.82
  4. Step 4: Simplify right side
    157,027.64x = 19,296,733,863.67
  5. Step 5: Solve for x
    x = 19,296,733,863.67/157,027.64
  6. Step 6: Final answer
    x = 122,887.50

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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.