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Finding the Fourth Proportional to 140,032.40, 210,048.16 and 34,851.40

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Solution

The fourth proportional to 140,032.40, 210,048.16 and 34,851.40 is: 52,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.40 : 210,048.16 = 34,851.40 : x
  2. Step 2: Convert to fraction form
    140,032.40/210,048.16 = 34,851.40/x
  3. Step 3: Cross multiply
    140,032.40x = 210,048.16 × 34,851.40
  4. Step 4: Simplify right side
    140,032.40x = 7,320,472,443.42
  5. Step 5: Solve for x
    x = 7,320,472,443.42/140,032.40
  6. Step 6: Final answer
    x = 52,276.99

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1.5x scale

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.