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Finding the Fourth Proportional to 265,389.68, 366,271.28 and 152,210

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Solution

The fourth proportional to 265,389.68, 366,271.28 and 152,210 is: 210,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,389.68 : 366,271.28 = 152,210 : x
  2. Step 2: Convert to fraction form
    265,389.68/366,271.28 = 152,210/x
  3. Step 3: Cross multiply
    265,389.68x = 366,271.28 × 152,210
  4. Step 4: Simplify right side
    265,389.68x = 55,750,151,528.80
  5. Step 5: Solve for x
    x = 55,750,151,528.80/265,389.68
  6. Step 6: Final answer
    x = 210,069.03

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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.