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Finding the Fourth Proportional to 117,340.48, 176,098.16 and 47,220.32

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Solution

The fourth proportional to 117,340.48, 176,098.16 and 47,220.32 is: 70,865.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,340.48 : 176,098.16 = 47,220.32 : x
  2. Step 2: Convert to fraction form
    117,340.48/176,098.16 = 47,220.32/x
  3. Step 3: Cross multiply
    117,340.48x = 176,098.16 × 47,220.32
  4. Step 4: Simplify right side
    117,340.48x = 8,315,411,466.61
  5. Step 5: Solve for x
    x = 8,315,411,466.61/117,340.48
  6. Step 6: Final answer
    x = 70,865.67

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1.5x scale

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.