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Finding the Fourth Proportional to 93,400.92, 129,033.80 and 61,212.06

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Solution

The fourth proportional to 93,400.92, 129,033.80 and 61,212.06 is: 84,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,400.92 : 129,033.80 = 61,212.06 : x
  2. Step 2: Convert to fraction form
    93,400.92/129,033.80 = 61,212.06/x
  3. Step 3: Cross multiply
    93,400.92x = 129,033.80 × 61,212.06
  4. Step 4: Simplify right side
    93,400.92x = 7,898,424,707.63
  5. Step 5: Solve for x
    x = 7,898,424,707.63/93,400.92
  6. Step 6: Final answer
    x = 84,564.74

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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.