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Finding the Fourth Proportional to 114,368.80, 157,775.84 and 74,096.16

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Solution

The fourth proportional to 114,368.80, 157,775.84 and 74,096.16 is: 102,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,368.80 : 157,775.84 = 74,096.16 : x
  2. Step 2: Convert to fraction form
    114,368.80/157,775.84 = 74,096.16/x
  3. Step 3: Cross multiply
    114,368.80x = 157,775.84 × 74,096.16
  4. Step 4: Simplify right side
    114,368.80x = 11,690,583,884.77
  5. Step 5: Solve for x
    x = 11,690,583,884.77/114,368.80
  6. Step 6: Final answer
    x = 102,218.30

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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.