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Finding the Fourth Proportional to 114,368.30, 157,888 and 88,817.34

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Solution

The fourth proportional to 114,368.30, 157,888 and 88,817.34 is: 122,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,368.30 : 157,888 = 88,817.34 : x
  2. Step 2: Convert to fraction form
    114,368.30/157,888 = 88,817.34/x
  3. Step 3: Cross multiply
    114,368.30x = 157,888 × 88,817.34
  4. Step 4: Simplify right side
    114,368.30x = 14,023,192,177.92
  5. Step 5: Solve for x
    x = 14,023,192,177.92/114,368.30
  6. Step 6: Final answer
    x = 122,614.33

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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.