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Finding the Fourth Proportional to 93,123.66, 139,706.30 and 33,959.32

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Solution

The fourth proportional to 93,123.66, 139,706.30 and 33,959.32 is: 50,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,123.66 : 139,706.30 = 33,959.32 : x
  2. Step 2: Convert to fraction form
    93,123.66/139,706.30 = 33,959.32/x
  3. Step 3: Cross multiply
    93,123.66x = 139,706.30 × 33,959.32
  4. Step 4: Simplify right side
    93,123.66x = 4,744,330,683.35
  5. Step 5: Solve for x
    x = 4,744,330,683.35/93,123.66
  6. Step 6: Final answer
    x = 50,946.57

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1.5x scale

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.