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Finding the Fourth Proportional to 93,606.75, 129,156.96 and 55,368.40

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Solution

The fourth proportional to 93,606.75, 129,156.96 and 55,368.40 is: 76,396.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,606.75 : 129,156.96 = 55,368.40 : x
  2. Step 2: Convert to fraction form
    93,606.75/129,156.96 = 55,368.40/x
  3. Step 3: Cross multiply
    93,606.75x = 129,156.96 × 55,368.40
  4. Step 4: Simplify right side
    93,606.75x = 7,151,214,224.06
  5. Step 5: Solve for x
    x = 7,151,214,224.06/93,606.75
  6. Step 6: Final answer
    x = 76,396.35

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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.