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Finding the Fourth Proportional to 70,457.55, 97,232.22 and 40,246.89

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Solution

The fourth proportional to 70,457.55, 97,232.22 and 40,246.89 is: 55,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,457.55 : 97,232.22 = 40,246.89 : x
  2. Step 2: Convert to fraction form
    70,457.55/97,232.22 = 40,246.89/x
  3. Step 3: Cross multiply
    70,457.55x = 97,232.22 × 40,246.89
  4. Step 4: Simplify right side
    70,457.55x = 3,913,294,462.80
  5. Step 5: Solve for x
    x = 3,913,294,462.80/70,457.55
  6. Step 6: Final answer
    x = 55,541.17

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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.