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Finding the Fourth Proportional to 119,312.19, 164,650.93 and 65,598.12

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Solution

The fourth proportional to 119,312.19, 164,650.93 and 65,598.12 is: 90,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,312.19 : 164,650.93 = 65,598.12 : x
  2. Step 2: Convert to fraction form
    119,312.19/164,650.93 = 65,598.12/x
  3. Step 3: Cross multiply
    119,312.19x = 164,650.93 × 65,598.12
  4. Step 4: Simplify right side
    119,312.19x = 10,800,791,464.25
  5. Step 5: Solve for x
    x = 10,800,791,464.25/119,312.19
  6. Step 6: Final answer
    x = 90,525.46

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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.