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Finding the Fourth Proportional to 93,293.28, 128,765.48 and 59,295.15

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Solution

The fourth proportional to 93,293.28, 128,765.48 and 59,295.15 is: 81,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.28 : 128,765.48 = 59,295.15 : x
  2. Step 2: Convert to fraction form
    93,293.28/128,765.48 = 59,295.15/x
  3. Step 3: Cross multiply
    93,293.28x = 128,765.48 × 59,295.15
  4. Step 4: Simplify right side
    93,293.28x = 7,635,167,955.83
  5. Step 5: Solve for x
    x = 7,635,167,955.83/93,293.28
  6. Step 6: Final answer
    x = 81,840.50

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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.