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Finding the Fourth Proportional to 136,547.56, 204,551 and 64,401.67

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Solution

The fourth proportional to 136,547.56, 204,551 and 64,401.67 is: 96,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,547.56 : 204,551 = 64,401.67 : x
  2. Step 2: Convert to fraction form
    136,547.56/204,551 = 64,401.67/x
  3. Step 3: Cross multiply
    136,547.56x = 204,551 × 64,401.67
  4. Step 4: Simplify right side
    136,547.56x = 13,173,426,000.17
  5. Step 5: Solve for x
    x = 13,173,426,000.17/136,547.56
  6. Step 6: Final answer
    x = 96,475.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.