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Finding the Fourth Proportional to 93,281.93, 128,749.85 and 59,283.80

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Solution

The fourth proportional to 93,281.93, 128,749.85 and 59,283.80 is: 81,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,281.93 : 128,749.85 = 59,283.80 : x
  2. Step 2: Convert to fraction form
    93,281.93/128,749.85 = 59,283.80/x
  3. Step 3: Cross multiply
    93,281.93x = 128,749.85 × 59,283.80
  4. Step 4: Simplify right side
    93,281.93x = 7,632,780,455.86
  5. Step 5: Solve for x
    x = 7,632,780,455.86/93,281.93
  6. Step 6: Final answer
    x = 81,824.86

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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.