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Finding the Fourth Proportional to 202,053.51, 302,621.46 and 156,710.88

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Solution

The fourth proportional to 202,053.51, 302,621.46 and 156,710.88 is: 234,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,053.51 : 302,621.46 = 156,710.88 : x
  2. Step 2: Convert to fraction form
    202,053.51/302,621.46 = 156,710.88/x
  3. Step 3: Cross multiply
    202,053.51x = 302,621.46 × 156,710.88
  4. Step 4: Simplify right side
    202,053.51x = 47,424,075,303.48
  5. Step 5: Solve for x
    x = 47,424,075,303.48/202,053.51
  6. Step 6: Final answer
    x = 234,710.47

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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.