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Finding the Fourth Proportional to 152,548.92, 210,516.93 and 85,480.92

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Solution

The fourth proportional to 152,548.92, 210,516.93 and 85,480.92 is: 117,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,548.92 : 210,516.93 = 85,480.92 : x
  2. Step 2: Convert to fraction form
    152,548.92/210,516.93 = 85,480.92/x
  3. Step 3: Cross multiply
    152,548.92x = 210,516.93 × 85,480.92
  4. Step 4: Simplify right side
    152,548.92x = 17,995,180,851.98
  5. Step 5: Solve for x
    x = 17,995,180,851.98/152,548.92
  6. Step 6: Final answer
    x = 117,963.34

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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.