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Finding the Fourth Proportional to 134,094.84, 185,030.22 and 77,495.28

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Solution

The fourth proportional to 134,094.84, 185,030.22 and 77,495.28 is: 106,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,094.84 : 185,030.22 = 77,495.28 : x
  2. Step 2: Convert to fraction form
    134,094.84/185,030.22 = 77,495.28/x
  3. Step 3: Cross multiply
    134,094.84x = 185,030.22 × 77,495.28
  4. Step 4: Simplify right side
    134,094.84x = 14,338,968,707.36
  5. Step 5: Solve for x
    x = 14,338,968,707.36/134,094.84
  6. Step 6: Final answer
    x = 106,931.55

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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.