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Finding the Fourth Proportional to 93,491.69, 129,018.52 and 51,050.26

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Solution

The fourth proportional to 93,491.69, 129,018.52 and 51,050.26 is: 70,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,491.69 : 129,018.52 = 51,050.26 : x
  2. Step 2: Convert to fraction form
    93,491.69/129,018.52 = 51,050.26/x
  3. Step 3: Cross multiply
    93,491.69x = 129,018.52 × 51,050.26
  4. Step 4: Simplify right side
    93,491.69x = 6,586,428,990.82
  5. Step 5: Solve for x
    x = 6,586,428,990.82/93,491.69
  6. Step 6: Final answer
    x = 70,449.35

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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.