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Finding the Fourth Proportional to 229,888.98, 344,877.21 and 72,075.06

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Solution

The fourth proportional to 229,888.98, 344,877.21 and 72,075.06 is: 108,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,888.98 : 344,877.21 = 72,075.06 : x
  2. Step 2: Convert to fraction form
    229,888.98/344,877.21 = 72,075.06/x
  3. Step 3: Cross multiply
    229,888.98x = 344,877.21 × 72,075.06
  4. Step 4: Simplify right side
    229,888.98x = 24,857,045,603.38
  5. Step 5: Solve for x
    x = 24,857,045,603.38/229,888.98
  6. Step 6: Final answer
    x = 108,126.30

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1.5x scale

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.