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Finding the Fourth Proportional to 77,595.60, 107,095.88 and 45,762.64

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Solution

The fourth proportional to 77,595.60, 107,095.88 and 45,762.64 is: 63,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,595.60 : 107,095.88 = 45,762.64 : x
  2. Step 2: Convert to fraction form
    77,595.60/107,095.88 = 45,762.64/x
  3. Step 3: Cross multiply
    77,595.60x = 107,095.88 × 45,762.64
  4. Step 4: Simplify right side
    77,595.60x = 4,900,990,201.92
  5. Step 5: Solve for x
    x = 4,900,990,201.92/77,595.60
  6. Step 6: Final answer
    x = 63,160.67

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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.