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Finding the Fourth Proportional to 101,476.17, 140,037.35 and 56,157.45

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Solution

The fourth proportional to 101,476.17, 140,037.35 and 56,157.45 is: 77,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,476.17 : 140,037.35 = 56,157.45 : x
  2. Step 2: Convert to fraction form
    101,476.17/140,037.35 = 56,157.45/x
  3. Step 3: Cross multiply
    101,476.17x = 140,037.35 × 56,157.45
  4. Step 4: Simplify right side
    101,476.17x = 7,864,140,199.97
  5. Step 5: Solve for x
    x = 7,864,140,199.97/101,476.17
  6. Step 6: Final answer
    x = 77,497.41

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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.