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Finding the Fourth Proportional to 93,588.68, 129,152.72 and 51,147.23

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Solution

The fourth proportional to 93,588.68, 129,152.72 and 51,147.23 is: 70,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,588.68 : 129,152.72 = 51,147.23 : x
  2. Step 2: Convert to fraction form
    93,588.68/129,152.72 = 51,147.23/x
  3. Step 3: Cross multiply
    93,588.68x = 129,152.72 × 51,147.23
  4. Step 4: Simplify right side
    93,588.68x = 6,605,803,619.23
  5. Step 5: Solve for x
    x = 6,605,803,619.23/93,588.68
  6. Step 6: Final answer
    x = 70,583.36

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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.