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Finding the Fourth Proportional to 106,810.11, 160,075.04 and 78,598.08

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Solution

The fourth proportional to 106,810.11, 160,075.04 and 78,598.08 is: 117,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,810.11 : 160,075.04 = 78,598.08 : x
  2. Step 2: Convert to fraction form
    106,810.11/160,075.04 = 78,598.08/x
  3. Step 3: Cross multiply
    106,810.11x = 160,075.04 × 78,598.08
  4. Step 4: Simplify right side
    106,810.11x = 12,581,590,406.93
  5. Step 5: Solve for x
    x = 12,581,590,406.93/106,810.11
  6. Step 6: Final answer
    x = 117,794.00

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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.