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Finding the Fourth Proportional to 102,510.63, 153,776.87 and 43,352.28

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Solution

The fourth proportional to 102,510.63, 153,776.87 and 43,352.28 is: 65,033.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,510.63 : 153,776.87 = 43,352.28 : x
  2. Step 2: Convert to fraction form
    102,510.63/153,776.87 = 43,352.28/x
  3. Step 3: Cross multiply
    102,510.63x = 153,776.87 × 43,352.28
  4. Step 4: Simplify right side
    102,510.63x = 6,666,577,925.76
  5. Step 5: Solve for x
    x = 6,666,577,925.76/102,510.63
  6. Step 6: Final answer
    x = 65,033.04

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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.