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Finding the Fourth Proportional to 93,506.19, 129,037.86 and 51,064.71

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Solution

The fourth proportional to 93,506.19, 129,037.86 and 51,064.71 is: 70,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,506.19 : 129,037.86 = 51,064.71 : x
  2. Step 2: Convert to fraction form
    93,506.19/129,037.86 = 51,064.71/x
  3. Step 3: Cross multiply
    93,506.19x = 129,037.86 × 51,064.71
  4. Step 4: Simplify right side
    93,506.19x = 6,589,280,899.92
  5. Step 5: Solve for x
    x = 6,589,280,899.92/93,506.19
  6. Step 6: Final answer
    x = 70,468.93

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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.