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Finding the Fourth Proportional to 97,275.53, 134,239.58 and 56,980.67

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Solution

The fourth proportional to 97,275.53, 134,239.58 and 56,980.67 is: 78,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,275.53 : 134,239.58 = 56,980.67 : x
  2. Step 2: Convert to fraction form
    97,275.53/134,239.58 = 56,980.67/x
  3. Step 3: Cross multiply
    97,275.53x = 134,239.58 × 56,980.67
  4. Step 4: Simplify right side
    97,275.53x = 7,649,060,466.49
  5. Step 5: Solve for x
    x = 7,649,060,466.49/97,275.53
  6. Step 6: Final answer
    x = 78,632.93

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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.