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Finding the Fourth Proportional to 93,174.99, 128,582.28 and 52,888.83

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Solution

The fourth proportional to 93,174.99, 128,582.28 and 52,888.83 is: 72,987.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,174.99 : 128,582.28 = 52,888.83 : x
  2. Step 2: Convert to fraction form
    93,174.99/128,582.28 = 52,888.83/x
  3. Step 3: Cross multiply
    93,174.99x = 128,582.28 × 52,888.83
  4. Step 4: Simplify right side
    93,174.99x = 6,800,566,347.93
  5. Step 5: Solve for x
    x = 6,800,566,347.93/93,174.99
  6. Step 6: Final answer
    x = 72,987.04

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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.