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Finding the Fourth Proportional to 73,448.89, 101,322.15 and 47,970.16

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Solution

The fourth proportional to 73,448.89, 101,322.15 and 47,970.16 is: 66,174.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,448.89 : 101,322.15 = 47,970.16 : x
  2. Step 2: Convert to fraction form
    73,448.89/101,322.15 = 47,970.16/x
  3. Step 3: Cross multiply
    73,448.89x = 101,322.15 × 47,970.16
  4. Step 4: Simplify right side
    73,448.89x = 4,860,439,747.04
  5. Step 5: Solve for x
    x = 4,860,439,747.04/73,448.89
  6. Step 6: Final answer
    x = 66,174.45

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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.