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Finding the Fourth Proportional to 99,095.94, 136,866.02 and 65,255.76

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Solution

The fourth proportional to 99,095.94, 136,866.02 and 65,255.76 is: 90,127.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,095.94 : 136,866.02 = 65,255.76 : x
  2. Step 2: Convert to fraction form
    99,095.94/136,866.02 = 65,255.76/x
  3. Step 3: Cross multiply
    99,095.94x = 136,866.02 × 65,255.76
  4. Step 4: Simplify right side
    99,095.94x = 8,931,295,827.00
  5. Step 5: Solve for x
    x = 8,931,295,827.00/99,095.94
  6. Step 6: Final answer
    x = 90,127.77

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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.