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Finding the Fourth Proportional to 93,696.16, 129,300.69 and 51,254.59

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Solution

The fourth proportional to 93,696.16, 129,300.69 and 51,254.59 is: 70,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,696.16 : 129,300.69 = 51,254.59 : x
  2. Step 2: Convert to fraction form
    93,696.16/129,300.69 = 51,254.59/x
  3. Step 3: Cross multiply
    93,696.16x = 129,300.69 × 51,254.59
  4. Step 4: Simplify right side
    93,696.16x = 6,627,253,852.67
  5. Step 5: Solve for x
    x = 6,627,253,852.67/93,696.16
  6. Step 6: Final answer
    x = 70,731.33

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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.