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Finding the Fourth Proportional to 114,886.60, 171,422.09 and 99,334.60

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Solution

The fourth proportional to 114,886.60, 171,422.09 and 99,334.60 is: 148,216.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,886.60 : 171,422.09 = 99,334.60 : x
  2. Step 2: Convert to fraction form
    114,886.60/171,422.09 = 99,334.60/x
  3. Step 3: Cross multiply
    114,886.60x = 171,422.09 × 99,334.60
  4. Step 4: Simplify right side
    114,886.60x = 17,028,144,741.31
  5. Step 5: Solve for x
    x = 17,028,144,741.31/114,886.60
  6. Step 6: Final answer
    x = 148,216.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.