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Finding the Fourth Proportional to 93,223.40, 139,957.05 and 55,341.82

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Solution

The fourth proportional to 93,223.40, 139,957.05 and 55,341.82 is: 83,085.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,223.40 : 139,957.05 = 55,341.82 : x
  2. Step 2: Convert to fraction form
    93,223.40/139,957.05 = 55,341.82/x
  3. Step 3: Cross multiply
    93,223.40x = 139,957.05 × 55,341.82
  4. Step 4: Simplify right side
    93,223.40x = 7,745,477,592.12
  5. Step 5: Solve for x
    x = 7,745,477,592.12/93,223.40
  6. Step 6: Final answer
    x = 83,085.13

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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.