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Finding the Fourth Proportional to 59,070.40, 88,616.80 and 19,100.16

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Solution

The fourth proportional to 59,070.40, 88,616.80 and 19,100.16 is: 28,653.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,070.40 : 88,616.80 = 19,100.16 : x
  2. Step 2: Convert to fraction form
    59,070.40/88,616.80 = 19,100.16/x
  3. Step 3: Cross multiply
    59,070.40x = 88,616.80 × 19,100.16
  4. Step 4: Simplify right side
    59,070.40x = 1,692,595,058.69
  5. Step 5: Solve for x
    x = 1,692,595,058.69/59,070.40
  6. Step 6: Final answer
    x = 28,653.86

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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.