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Finding the Fourth Proportional to 113,773.77, 170,765.47 and 57,653.63

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Solution

The fourth proportional to 113,773.77, 170,765.47 and 57,653.63 is: 86,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,773.77 : 170,765.47 = 57,653.63 : x
  2. Step 2: Convert to fraction form
    113,773.77/170,765.47 = 57,653.63/x
  3. Step 3: Cross multiply
    113,773.77x = 170,765.47 × 57,653.63
  4. Step 4: Simplify right side
    113,773.77x = 9,845,249,224.16
  5. Step 5: Solve for x
    x = 9,845,249,224.16/113,773.77
  6. Step 6: Final answer
    x = 86,533.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.