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Finding the Fourth Proportional to 267,254.25, 368,816.81 and 152,530.60

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Solution

The fourth proportional to 267,254.25, 368,816.81 and 152,530.60 is: 210,495.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,254.25 : 368,816.81 = 152,530.60 : x
  2. Step 2: Convert to fraction form
    267,254.25/368,816.81 = 152,530.60/x
  3. Step 3: Cross multiply
    267,254.25x = 368,816.81 × 152,530.60
  4. Step 4: Simplify right side
    267,254.25x = 56,255,849,319.39
  5. Step 5: Solve for x
    x = 56,255,849,319.39/267,254.25
  6. Step 6: Final answer
    x = 210,495.62

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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.