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Finding the Fourth Proportional to 105,110.98, 145,056.53 and 59,787.80

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Solution

The fourth proportional to 105,110.98, 145,056.53 and 59,787.80 is: 82,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,110.98 : 145,056.53 = 59,787.80 : x
  2. Step 2: Convert to fraction form
    105,110.98/145,056.53 = 59,787.80/x
  3. Step 3: Cross multiply
    105,110.98x = 145,056.53 × 59,787.80
  4. Step 4: Simplify right side
    105,110.98x = 8,672,610,448.59
  5. Step 5: Solve for x
    x = 8,672,610,448.59/105,110.98
  6. Step 6: Final answer
    x = 82,509.08

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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.