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Finding the Fourth Proportional to 116,510.68, 174,710.80 and 40,582.74

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Solution

The fourth proportional to 116,510.68, 174,710.80 and 40,582.74 is: 60,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,510.68 : 174,710.80 = 40,582.74 : x
  2. Step 2: Convert to fraction form
    116,510.68/174,710.80 = 40,582.74/x
  3. Step 3: Cross multiply
    116,510.68x = 174,710.80 × 40,582.74
  4. Step 4: Simplify right side
    116,510.68x = 7,090,242,971.59
  5. Step 5: Solve for x
    x = 7,090,242,971.59/116,510.68
  6. Step 6: Final answer
    x = 60,854.88

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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.