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Finding the Fourth Proportional to 93,123.52, 128,510.20 and 50,682.08

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Solution

The fourth proportional to 93,123.52, 128,510.20 and 50,682.08 is: 69,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,123.52 : 128,510.20 = 50,682.08 : x
  2. Step 2: Convert to fraction form
    93,123.52/128,510.20 = 50,682.08/x
  3. Step 3: Cross multiply
    93,123.52x = 128,510.20 × 50,682.08
  4. Step 4: Simplify right side
    93,123.52x = 6,513,164,237.22
  5. Step 5: Solve for x
    x = 6,513,164,237.22/93,123.52
  6. Step 6: Final answer
    x = 69,941.13

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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.