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Finding the Fourth Proportional to 267,243.90, 368,802.51 and 152,520.25

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Solution

The fourth proportional to 267,243.90, 368,802.51 and 152,520.25 is: 210,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,243.90 : 368,802.51 = 152,520.25 : x
  2. Step 2: Convert to fraction form
    267,243.90/368,802.51 = 152,520.25/x
  3. Step 3: Cross multiply
    267,243.90x = 368,802.51 × 152,520.25
  4. Step 4: Simplify right side
    267,243.90x = 56,249,851,025.83
  5. Step 5: Solve for x
    x = 56,249,851,025.83/267,243.90
  6. Step 6: Final answer
    x = 210,481.33

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1.5x scale

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.