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Finding the Fourth Proportional to 152,355.68, 228,681.30 and 73,525.40

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Solution

The fourth proportional to 152,355.68, 228,681.30 and 73,525.40 is: 110,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,355.68 : 228,681.30 = 73,525.40 : x
  2. Step 2: Convert to fraction form
    152,355.68/228,681.30 = 73,525.40/x
  3. Step 3: Cross multiply
    152,355.68x = 228,681.30 × 73,525.40
  4. Step 4: Simplify right side
    152,355.68x = 16,813,884,055.02
  5. Step 5: Solve for x
    x = 16,813,884,055.02/152,355.68
  6. Step 6: Final answer
    x = 110,359.42

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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.