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Finding the Fourth Proportional to 117,031.10, 163,532.50 and 117,031.10

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Solution

The fourth proportional to 117,031.10, 163,532.50 and 117,031.10 is: 163,532.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,031.10 : 163,532.50 = 117,031.10 : x
  2. Step 2: Convert to fraction form
    117,031.10/163,532.50 = 117,031.10/x
  3. Step 3: Cross multiply
    117,031.10x = 163,532.50 × 117,031.10
  4. Step 4: Simplify right side
    117,031.10x = 19,138,388,360.75
  5. Step 5: Solve for x
    x = 19,138,388,360.75/117,031.10
  6. Step 6: Final answer
    x = 163,532.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.