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Finding the Fourth Proportional to 93,603.36, 129,157.68 and 53,317.89

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Solution

The fourth proportional to 93,603.36, 129,157.68 and 53,317.89 is: 73,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,603.36 : 129,157.68 = 53,317.89 : x
  2. Step 2: Convert to fraction form
    93,603.36/129,157.68 = 53,317.89/x
  3. Step 3: Cross multiply
    93,603.36x = 129,157.68 × 53,317.89
  4. Step 4: Simplify right side
    93,603.36x = 6,886,414,974.90
  5. Step 5: Solve for x
    x = 6,886,414,974.90/93,603.36
  6. Step 6: Final answer
    x = 73,570.17

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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.