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Finding the Fourth Proportional to 93,317.25, 128,777.81 and 59,783.25

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Solution

The fourth proportional to 93,317.25, 128,777.81 and 59,783.25 is: 82,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.25 : 128,777.81 = 59,783.25 : x
  2. Step 2: Convert to fraction form
    93,317.25/128,777.81 = 59,783.25/x
  3. Step 3: Cross multiply
    93,317.25x = 128,777.81 × 59,783.25
  4. Step 4: Simplify right side
    93,317.25x = 7,698,755,710.77
  5. Step 5: Solve for x
    x = 7,698,755,710.77/93,317.25
  6. Step 6: Final answer
    x = 82,500.89

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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.