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Finding the Fourth Proportional to 153,329.53, 229,916.53 and 70,152.25

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Solution

The fourth proportional to 153,329.53, 229,916.53 and 70,152.25 is: 105,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,329.53 : 229,916.53 = 70,152.25 : x
  2. Step 2: Convert to fraction form
    153,329.53/229,916.53 = 70,152.25/x
  3. Step 3: Cross multiply
    153,329.53x = 229,916.53 × 70,152.25
  4. Step 4: Simplify right side
    153,329.53x = 16,129,161,891.69
  5. Step 5: Solve for x
    x = 16,129,161,891.69/153,329.53
  6. Step 6: Final answer
    x = 105,192.80

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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.