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Finding the Fourth Proportional to 114,140.88, 157,527.72 and 66,396.24

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Solution

The fourth proportional to 114,140.88, 157,527.72 and 66,396.24 is: 91,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,140.88 : 157,527.72 = 66,396.24 : x
  2. Step 2: Convert to fraction form
    114,140.88/157,527.72 = 66,396.24/x
  3. Step 3: Cross multiply
    114,140.88x = 157,527.72 × 66,396.24
  4. Step 4: Simplify right side
    114,140.88x = 10,459,248,303.77
  5. Step 5: Solve for x
    x = 10,459,248,303.77/114,140.88
  6. Step 6: Final answer
    x = 91,634.55

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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.