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Finding the Fourth Proportional to 73,698.25, 101,720 and 46,835.52

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Solution

The fourth proportional to 73,698.25, 101,720 and 46,835.52 is: 64,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.25 : 101,720 = 46,835.52 : x
  2. Step 2: Convert to fraction form
    73,698.25/101,720 = 46,835.52/x
  3. Step 3: Cross multiply
    73,698.25x = 101,720 × 46,835.52
  4. Step 4: Simplify right side
    73,698.25x = 4,764,109,094.40
  5. Step 5: Solve for x
    x = 4,764,109,094.40/73,698.25
  6. Step 6: Final answer
    x = 64,643.45

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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.