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Finding the Fourth Proportional to 101,113.32, 139,526.91 and 97,716.18

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Solution

The fourth proportional to 101,113.32, 139,526.91 and 97,716.18 is: 134,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,113.32 : 139,526.91 = 97,716.18 : x
  2. Step 2: Convert to fraction form
    101,113.32/139,526.91 = 97,716.18/x
  3. Step 3: Cross multiply
    101,113.32x = 139,526.91 × 97,716.18
  4. Step 4: Simplify right side
    101,113.32x = 13,634,036,652.40
  5. Step 5: Solve for x
    x = 13,634,036,652.40/101,113.32
  6. Step 6: Final answer
    x = 134,839.18

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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.