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Finding the Fourth Proportional to 144,307.98, 216,374.49 and 60,035.58

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Solution

The fourth proportional to 144,307.98, 216,374.49 and 60,035.58 is: 90,016.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,307.98 : 216,374.49 = 60,035.58 : x
  2. Step 2: Convert to fraction form
    144,307.98/216,374.49 = 60,035.58/x
  3. Step 3: Cross multiply
    144,307.98x = 216,374.49 × 60,035.58
  4. Step 4: Simplify right side
    144,307.98x = 12,990,168,004.35
  5. Step 5: Solve for x
    x = 12,990,168,004.35/144,307.98
  6. Step 6: Final answer
    x = 90,016.98

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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.