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Finding the Fourth Proportional to 236,529.60, 355,053.60 and 147,883.20

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Solution

The fourth proportional to 236,529.60, 355,053.60 and 147,883.20 is: 221,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,529.60 : 355,053.60 = 147,883.20 : x
  2. Step 2: Convert to fraction form
    236,529.60/355,053.60 = 147,883.20/x
  3. Step 3: Cross multiply
    236,529.60x = 355,053.60 × 147,883.20
  4. Step 4: Simplify right side
    236,529.60x = 52,506,462,539.52
  5. Step 5: Solve for x
    x = 52,506,462,539.52/236,529.60
  6. Step 6: Final answer
    x = 221,986.86

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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.