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Finding the Fourth Proportional to 265,970.57, 367,038.49 and 145,111.89

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Solution

The fourth proportional to 265,970.57, 367,038.49 and 145,111.89 is: 200,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,970.57 : 367,038.49 = 145,111.89 : x
  2. Step 2: Convert to fraction form
    265,970.57/367,038.49 = 145,111.89/x
  3. Step 3: Cross multiply
    265,970.57x = 367,038.49 × 145,111.89
  4. Step 4: Simplify right side
    265,970.57x = 53,261,648,986.65
  5. Step 5: Solve for x
    x = 53,261,648,986.65/265,970.57
  6. Step 6: Final answer
    x = 200,253.92

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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.