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Finding the Fourth Proportional to 93,814.71, 129,461.79 and 53,527.74

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Solution

The fourth proportional to 93,814.71, 129,461.79 and 53,527.74 is: 73,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,814.71 : 129,461.79 = 53,527.74 : x
  2. Step 2: Convert to fraction form
    93,814.71/129,461.79 = 53,527.74/x
  3. Step 3: Cross multiply
    93,814.71x = 129,461.79 × 53,527.74
  4. Step 4: Simplify right side
    93,814.71x = 6,929,797,035.05
  5. Step 5: Solve for x
    x = 6,929,797,035.05/93,814.71
  6. Step 6: Final answer
    x = 73,866.85

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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.