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Finding the Fourth Proportional to 93,674.53, 129,275.54 and 55,455.99

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Solution

The fourth proportional to 93,674.53, 129,275.54 and 55,455.99 is: 76,532.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,674.53 : 129,275.54 = 55,455.99 : x
  2. Step 2: Convert to fraction form
    93,674.53/129,275.54 = 55,455.99/x
  3. Step 3: Cross multiply
    93,674.53x = 129,275.54 × 55,455.99
  4. Step 4: Simplify right side
    93,674.53x = 7,169,103,538.50
  5. Step 5: Solve for x
    x = 7,169,103,538.50/93,674.53
  6. Step 6: Final answer
    x = 76,532.05

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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.