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Finding the Fourth Proportional to 117,461.22, 162,097.70 and 63,746.70

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Solution

The fourth proportional to 117,461.22, 162,097.70 and 63,746.70 is: 87,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,461.22 : 162,097.70 = 63,746.70 : x
  2. Step 2: Convert to fraction form
    117,461.22/162,097.70 = 63,746.70/x
  3. Step 3: Cross multiply
    117,461.22x = 162,097.70 × 63,746.70
  4. Step 4: Simplify right side
    117,461.22x = 10,333,193,133.86
  5. Step 5: Solve for x
    x = 10,333,193,133.86/117,461.22
  6. Step 6: Final answer
    x = 87,971.10

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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.