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Finding the Fourth Proportional to 93,556.50, 129,110.70 and 51,117.77

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Solution

The fourth proportional to 93,556.50, 129,110.70 and 51,117.77 is: 70,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,556.50 : 129,110.70 = 51,117.77 : x
  2. Step 2: Convert to fraction form
    93,556.50/129,110.70 = 51,117.77/x
  3. Step 3: Cross multiply
    93,556.50x = 129,110.70 × 51,117.77
  4. Step 4: Simplify right side
    93,556.50x = 6,599,850,421.59
  5. Step 5: Solve for x
    x = 6,599,850,421.59/93,556.50
  6. Step 6: Final answer
    x = 70,544.01

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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.