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Finding the Fourth Proportional to 98,312.01, 147,129.15 and 60,336.06

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Solution

The fourth proportional to 98,312.01, 147,129.15 and 60,336.06 is: 90,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,312.01 : 147,129.15 = 60,336.06 : x
  2. Step 2: Convert to fraction form
    98,312.01/147,129.15 = 60,336.06/x
  3. Step 3: Cross multiply
    98,312.01x = 147,129.15 × 60,336.06
  4. Step 4: Simplify right side
    98,312.01x = 8,877,193,222.15
  5. Step 5: Solve for x
    x = 8,877,193,222.15/98,312.01
  6. Step 6: Final answer
    x = 90,296.12

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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.