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Finding the Fourth Proportional to 93,785.66, 129,424.59 and 51,348.14

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Solution

The fourth proportional to 93,785.66, 129,424.59 and 51,348.14 is: 70,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,785.66 : 129,424.59 = 51,348.14 : x
  2. Step 2: Convert to fraction form
    93,785.66/129,424.59 = 51,348.14/x
  3. Step 3: Cross multiply
    93,785.66x = 129,424.59 × 51,348.14
  4. Step 4: Simplify right side
    93,785.66x = 6,645,711,966.76
  5. Step 5: Solve for x
    x = 6,645,711,966.76/93,785.66
  6. Step 6: Final answer
    x = 70,860.64

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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.