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Finding the Fourth Proportional to 105,068.95, 144,994.51 and 59,746.97

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Solution

The fourth proportional to 105,068.95, 144,994.51 and 59,746.97 is: 82,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,068.95 : 144,994.51 = 59,746.97 : x
  2. Step 2: Convert to fraction form
    105,068.95/144,994.51 = 59,746.97/x
  3. Step 3: Cross multiply
    105,068.95x = 144,994.51 × 59,746.97
  4. Step 4: Simplify right side
    105,068.95x = 8,662,981,924.63
  5. Step 5: Solve for x
    x = 8,662,981,924.63/105,068.95
  6. Step 6: Final answer
    x = 82,450.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.