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Finding the Fourth Proportional to 93,167.60, 128,568.48 and 51,774.45

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Solution

The fourth proportional to 93,167.60, 128,568.48 and 51,774.45 is: 71,447.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,167.60 : 128,568.48 = 51,774.45 : x
  2. Step 2: Convert to fraction form
    93,167.60/128,568.48 = 51,774.45/x
  3. Step 3: Cross multiply
    93,167.60x = 128,568.48 × 51,774.45
  4. Step 4: Simplify right side
    93,167.60x = 6,656,562,790.19
  5. Step 5: Solve for x
    x = 6,656,562,790.19/93,167.60
  6. Step 6: Final answer
    x = 71,447.18

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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.