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Finding the Fourth Proportional to 93,357.68, 128,854.44 and 59,359.52

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Solution

The fourth proportional to 93,357.68, 128,854.44 and 59,359.52 is: 81,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,357.68 : 128,854.44 = 59,359.52 : x
  2. Step 2: Convert to fraction form
    93,357.68/128,854.44 = 59,359.52/x
  3. Step 3: Cross multiply
    93,357.68x = 128,854.44 × 59,359.52
  4. Step 4: Simplify right side
    93,357.68x = 7,648,737,708.27
  5. Step 5: Solve for x
    x = 7,648,737,708.27/93,357.68
  6. Step 6: Final answer
    x = 81,929.39

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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.