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Finding the Fourth Proportional to 109,807.64, 151,534.66 and 59,506.64

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Solution

The fourth proportional to 109,807.64, 151,534.66 and 59,506.64 is: 82,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,807.64 : 151,534.66 = 59,506.64 : x
  2. Step 2: Convert to fraction form
    109,807.64/151,534.66 = 59,506.64/x
  3. Step 3: Cross multiply
    109,807.64x = 151,534.66 × 59,506.64
  4. Step 4: Simplify right side
    109,807.64x = 9,017,318,460.14
  5. Step 5: Solve for x
    x = 9,017,318,460.14/109,807.64
  6. Step 6: Final answer
    x = 82,119.23

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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.