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Finding the Fourth Proportional to 114,314.79, 157,701.99 and 74,041.49

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Solution

The fourth proportional to 114,314.79, 157,701.99 and 74,041.49 is: 102,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,314.79 : 157,701.99 = 74,041.49 : x
  2. Step 2: Convert to fraction form
    114,314.79/157,701.99 = 74,041.49/x
  3. Step 3: Cross multiply
    114,314.79x = 157,701.99 × 74,041.49
  4. Step 4: Simplify right side
    114,314.79x = 11,676,490,570.99
  5. Step 5: Solve for x
    x = 11,676,490,570.99/114,314.79
  6. Step 6: Final answer
    x = 102,143.30

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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.