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Finding the Fourth Proportional to 93,340.68, 128,809.62 and 50,898.30

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Solution

The fourth proportional to 93,340.68, 128,809.62 and 50,898.30 is: 70,239.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340.68 : 128,809.62 = 50,898.30 : x
  2. Step 2: Convert to fraction form
    93,340.68/128,809.62 = 50,898.30/x
  3. Step 3: Cross multiply
    93,340.68x = 128,809.62 × 50,898.30
  4. Step 4: Simplify right side
    93,340.68x = 6,556,190,681.65
  5. Step 5: Solve for x
    x = 6,556,190,681.65/93,340.68
  6. Step 6: Final answer
    x = 70,239.37

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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.