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Finding the Fourth Proportional to 114,862.76, 158,510.74 and 63,874.40

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Solution

The fourth proportional to 114,862.76, 158,510.74 and 63,874.40 is: 88,146.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,862.76 : 158,510.74 = 63,874.40 : x
  2. Step 2: Convert to fraction form
    114,862.76/158,510.74 = 63,874.40/x
  3. Step 3: Cross multiply
    114,862.76x = 158,510.74 × 63,874.40
  4. Step 4: Simplify right side
    114,862.76x = 10,124,778,411.06
  5. Step 5: Solve for x
    x = 10,124,778,411.06/114,862.76
  6. Step 6: Final answer
    x = 88,146.74

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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.