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Finding the Fourth Proportional to 114,324.29, 157,703.95 and 90,035.77

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Solution

The fourth proportional to 114,324.29, 157,703.95 and 90,035.77 is: 124,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,324.29 : 157,703.95 = 90,035.77 : x
  2. Step 2: Convert to fraction form
    114,324.29/157,703.95 = 90,035.77/x
  3. Step 3: Cross multiply
    114,324.29x = 157,703.95 × 90,035.77
  4. Step 4: Simplify right side
    114,324.29x = 14,198,996,505.44
  5. Step 5: Solve for x
    x = 14,198,996,505.44/114,324.29
  6. Step 6: Final answer
    x = 124,199.30

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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.