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Finding the Fourth Proportional to 114,856.98, 172,080.99 and 98,045.46

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Solution

The fourth proportional to 114,856.98, 172,080.99 and 98,045.46 is: 146,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,856.98 : 172,080.99 = 98,045.46 : x
  2. Step 2: Convert to fraction form
    114,856.98/172,080.99 = 98,045.46/x
  3. Step 3: Cross multiply
    114,856.98x = 172,080.99 × 98,045.46
  4. Step 4: Simplify right side
    114,856.98x = 16,871,759,821.81
  5. Step 5: Solve for x
    x = 16,871,759,821.81/114,856.98
  6. Step 6: Final answer
    x = 146,893.64

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1.5x scale

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.