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Finding the Fourth Proportional to 153,369.38, 230,054.09 and 70,263.38

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Solution

The fourth proportional to 153,369.38, 230,054.09 and 70,263.38 is: 105,395.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,369.38 : 230,054.09 = 70,263.38 : x
  2. Step 2: Convert to fraction form
    153,369.38/230,054.09 = 70,263.38/x
  3. Step 3: Cross multiply
    153,369.38x = 230,054.09 × 70,263.38
  4. Step 4: Simplify right side
    153,369.38x = 16,164,376,444.64
  5. Step 5: Solve for x
    x = 16,164,376,444.64/153,369.38
  6. Step 6: Final answer
    x = 105,395.07

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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.