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Finding the Fourth Proportional to 236,698.83, 355,055.54 and 103,510.53

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Solution

The fourth proportional to 236,698.83, 355,055.54 and 103,510.53 is: 155,268.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,698.83 : 355,055.54 = 103,510.53 : x
  2. Step 2: Convert to fraction form
    236,698.83/355,055.54 = 103,510.53/x
  3. Step 3: Cross multiply
    236,698.83x = 355,055.54 × 103,510.53
  4. Step 4: Simplify right side
    236,698.83x = 36,751,987,124.84
  5. Step 5: Solve for x
    x = 36,751,987,124.84/236,698.83
  6. Step 6: Final answer
    x = 155,268.99

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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.