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Finding the Fourth Proportional to 134,088.93, 201,216.46 and 77,955.46

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Solution

The fourth proportional to 134,088.93, 201,216.46 and 77,955.46 is: 116,981.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,088.93 : 201,216.46 = 77,955.46 : x
  2. Step 2: Convert to fraction form
    134,088.93/201,216.46 = 77,955.46/x
  3. Step 3: Cross multiply
    134,088.93x = 201,216.46 × 77,955.46
  4. Step 4: Simplify right side
    134,088.93x = 15,685,921,503.98
  5. Step 5: Solve for x
    x = 15,685,921,503.98/134,088.93
  6. Step 6: Final answer
    x = 116,981.48

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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.