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Finding the Fourth Proportional to 93,157.90, 139,758.54 and 26,598.94

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Solution

The fourth proportional to 93,157.90, 139,758.54 and 26,598.94 is: 39,904.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,157.90 : 139,758.54 = 26,598.94 : x
  2. Step 2: Convert to fraction form
    93,157.90/139,758.54 = 26,598.94/x
  3. Step 3: Cross multiply
    93,157.90x = 139,758.54 × 26,598.94
  4. Step 4: Simplify right side
    93,157.90x = 3,717,429,019.95
  5. Step 5: Solve for x
    x = 3,717,429,019.95/93,157.90
  6. Step 6: Final answer
    x = 39,904.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.