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Finding the Fourth Proportional to 117,547.90, 162,216.10 and 67,246.90

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Solution

The fourth proportional to 117,547.90, 162,216.10 and 67,246.90 is: 92,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,547.90 : 162,216.10 = 67,246.90 : x
  2. Step 2: Convert to fraction form
    117,547.90/162,216.10 = 67,246.90/x
  3. Step 3: Cross multiply
    117,547.90x = 162,216.10 × 67,246.90
  4. Step 4: Simplify right side
    117,547.90x = 10,908,529,518.86
  5. Step 5: Solve for x
    x = 10,908,529,518.86/117,547.90
  6. Step 6: Final answer
    x = 92,800.72

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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.