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Finding the Fourth Proportional to 93,602.98, 129,172.08 and 51,161.50

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Solution

The fourth proportional to 93,602.98, 129,172.08 and 51,161.50 is: 70,602.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,602.98 : 129,172.08 = 51,161.50 : x
  2. Step 2: Convert to fraction form
    93,602.98/129,172.08 = 51,161.50/x
  3. Step 3: Cross multiply
    93,602.98x = 129,172.08 × 51,161.50
  4. Step 4: Simplify right side
    93,602.98x = 6,608,637,370.92
  5. Step 5: Solve for x
    x = 6,608,637,370.92/93,602.98
  6. Step 6: Final answer
    x = 70,602.85

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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.