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Finding the Fourth Proportional to 155,813.51, 233,678.69 and 43,473.98

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Solution

The fourth proportional to 155,813.51, 233,678.69 and 43,473.98 is: 65,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,813.51 : 233,678.69 = 43,473.98 : x
  2. Step 2: Convert to fraction form
    155,813.51/233,678.69 = 43,473.98/x
  3. Step 3: Cross multiply
    155,813.51x = 233,678.69 × 43,473.98
  4. Step 4: Simplify right side
    155,813.51x = 10,158,943,225.34
  5. Step 5: Solve for x
    x = 10,158,943,225.34/155,813.51
  6. Step 6: Final answer
    x = 65,199.37

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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.