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Finding the Fourth Proportional to 169,894.40, 254,776.80 and 51,526.40

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Solution

The fourth proportional to 169,894.40, 254,776.80 and 51,526.40 is: 77,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,894.40 : 254,776.80 = 51,526.40 : x
  2. Step 2: Convert to fraction form
    169,894.40/254,776.80 = 51,526.40/x
  3. Step 3: Cross multiply
    169,894.40x = 254,776.80 × 51,526.40
  4. Step 4: Simplify right side
    169,894.40x = 13,127,731,307.52
  5. Step 5: Solve for x
    x = 13,127,731,307.52/169,894.40
  6. Step 6: Final answer
    x = 77,269.95

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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.