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Finding the Fourth Proportional to 93,820.84, 129,466.02 and 51,372.52

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Solution

The fourth proportional to 93,820.84, 129,466.02 and 51,372.52 is: 70,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,820.84 : 129,466.02 = 51,372.52 : x
  2. Step 2: Convert to fraction form
    93,820.84/129,466.02 = 51,372.52/x
  3. Step 3: Cross multiply
    93,820.84x = 129,466.02 × 51,372.52
  4. Step 4: Simplify right side
    93,820.84x = 6,650,995,701.77
  5. Step 5: Solve for x
    x = 6,650,995,701.77/93,820.84
  6. Step 6: Final answer
    x = 70,890.39

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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.