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Finding the Fourth Proportional to 93,666.80, 129,262.08 and 51,228.06

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Solution

The fourth proportional to 93,666.80, 129,262.08 and 51,228.06 is: 70,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,666.80 : 129,262.08 = 51,228.06 : x
  2. Step 2: Convert to fraction form
    93,666.80/129,262.08 = 51,228.06/x
  3. Step 3: Cross multiply
    93,666.80x = 129,262.08 × 51,228.06
  4. Step 4: Simplify right side
    93,666.80x = 6,621,845,589.96
  5. Step 5: Solve for x
    x = 6,621,845,589.96/93,666.80
  6. Step 6: Final answer
    x = 70,695.76

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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.