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Finding the Fourth Proportional to 93,550.95, 129,100.23 and 51,109.47

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Solution

The fourth proportional to 93,550.95, 129,100.23 and 51,109.47 is: 70,531.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,550.95 : 129,100.23 = 51,109.47 : x
  2. Step 2: Convert to fraction form
    93,550.95/129,100.23 = 51,109.47/x
  3. Step 3: Cross multiply
    93,550.95x = 129,100.23 × 51,109.47
  4. Step 4: Simplify right side
    93,550.95x = 6,598,244,332.18
  5. Step 5: Solve for x
    x = 6,598,244,332.18/93,550.95
  6. Step 6: Final answer
    x = 70,531.02

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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.