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Finding the Fourth Proportional to 152,790.66, 210,841.11 and 84,804.35

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Solution

The fourth proportional to 152,790.66, 210,841.11 and 84,804.35 is: 117,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,790.66 : 210,841.11 = 84,804.35 : x
  2. Step 2: Convert to fraction form
    152,790.66/210,841.11 = 84,804.35/x
  3. Step 3: Cross multiply
    152,790.66x = 210,841.11 × 84,804.35
  4. Step 4: Simplify right side
    152,790.66x = 17,880,242,232.62
  5. Step 5: Solve for x
    x = 17,880,242,232.62/152,790.66
  6. Step 6: Final answer
    x = 117,024.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.