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Finding the Fourth Proportional to 93,101.49, 128,479.70 and 52,823.03

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Solution

The fourth proportional to 93,101.49, 128,479.70 and 52,823.03 is: 72,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,101.49 : 128,479.70 = 52,823.03 : x
  2. Step 2: Convert to fraction form
    93,101.49/128,479.70 = 52,823.03/x
  3. Step 3: Cross multiply
    93,101.49x = 128,479.70 × 52,823.03
  4. Step 4: Simplify right side
    93,101.49x = 6,786,686,140.98
  5. Step 5: Solve for x
    x = 6,786,686,140.98/93,101.49
  6. Step 6: Final answer
    x = 72,895.57

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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.