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Finding the Fourth Proportional to 121,261.59, 167,341.04 and 70,303.98

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Solution

The fourth proportional to 121,261.59, 167,341.04 and 70,303.98 is: 97,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,261.59 : 167,341.04 = 70,303.98 : x
  2. Step 2: Convert to fraction form
    121,261.59/167,341.04 = 70,303.98/x
  3. Step 3: Cross multiply
    121,261.59x = 167,341.04 × 70,303.98
  4. Step 4: Simplify right side
    121,261.59x = 11,764,741,668.99
  5. Step 5: Solve for x
    x = 11,764,741,668.99/121,261.59
  6. Step 6: Final answer
    x = 97,019.52

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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.