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Finding the Fourth Proportional to 106,897.89, 147,516.87 and 59,148.39

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Solution

The fourth proportional to 106,897.89, 147,516.87 and 59,148.39 is: 81,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,897.89 : 147,516.87 = 59,148.39 : x
  2. Step 2: Convert to fraction form
    106,897.89/147,516.87 = 59,148.39/x
  3. Step 3: Cross multiply
    106,897.89x = 147,516.87 × 59,148.39
  4. Step 4: Simplify right side
    106,897.89x = 8,725,385,358.34
  5. Step 5: Solve for x
    x = 8,725,385,358.34/106,897.89
  6. Step 6: Final answer
    x = 81,623.55

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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.