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Finding the Fourth Proportional to 97,182.88, 134,106.95 and 53,574.03

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Solution

The fourth proportional to 97,182.88, 134,106.95 and 53,574.03 is: 73,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,182.88 : 134,106.95 = 53,574.03 : x
  2. Step 2: Convert to fraction form
    97,182.88/134,106.95 = 53,574.03/x
  3. Step 3: Cross multiply
    97,182.88x = 134,106.95 × 53,574.03
  4. Step 4: Simplify right side
    97,182.88x = 7,184,649,762.51
  5. Step 5: Solve for x
    x = 7,184,649,762.51/97,182.88
  6. Step 6: Final answer
    x = 73,929.17

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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.