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Finding the Fourth Proportional to 238,885.98, 358,271.56 and 70,360.77

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Solution

The fourth proportional to 238,885.98, 358,271.56 and 70,360.77 is: 105,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,885.98 : 358,271.56 = 70,360.77 : x
  2. Step 2: Convert to fraction form
    238,885.98/358,271.56 = 70,360.77/x
  3. Step 3: Cross multiply
    238,885.98x = 358,271.56 × 70,360.77
  4. Step 4: Simplify right side
    238,885.98x = 25,208,264,262.17
  5. Step 5: Solve for x
    x = 25,208,264,262.17/238,885.98
  6. Step 6: Final answer
    x = 105,524.25

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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.