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Finding the Fourth Proportional to 285,187.68, 427,619.53 and 116,510.52

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Solution

The fourth proportional to 285,187.68, 427,619.53 and 116,510.52 is: 174,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,187.68 : 427,619.53 = 116,510.52 : x
  2. Step 2: Convert to fraction form
    285,187.68/427,619.53 = 116,510.52/x
  3. Step 3: Cross multiply
    285,187.68x = 427,619.53 × 116,510.52
  4. Step 4: Simplify right side
    285,187.68x = 49,822,173,802.46
  5. Step 5: Solve for x
    x = 49,822,173,802.46/285,187.68
  6. Step 6: Final answer
    x = 174,699.60

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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.