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Finding the Fourth Proportional to 93,130.66, 139,592.11 and 36,955.74

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Solution

The fourth proportional to 93,130.66, 139,592.11 and 36,955.74 is: 55,392.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,130.66 : 139,592.11 = 36,955.74 : x
  2. Step 2: Convert to fraction form
    93,130.66/139,592.11 = 36,955.74/x
  3. Step 3: Cross multiply
    93,130.66x = 139,592.11 × 36,955.74
  4. Step 4: Simplify right side
    93,130.66x = 5,158,730,223.58
  5. Step 5: Solve for x
    x = 5,158,730,223.58/93,130.66
  6. Step 6: Final answer
    x = 55,392.39

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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.