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Finding the Fourth Proportional to 130,341.84, 179,875.53 and 73,752

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Solution

The fourth proportional to 130,341.84, 179,875.53 and 73,752 is: 101,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,341.84 : 179,875.53 = 73,752 : x
  2. Step 2: Convert to fraction form
    130,341.84/179,875.53 = 73,752/x
  3. Step 3: Cross multiply
    130,341.84x = 179,875.53 × 73,752
  4. Step 4: Simplify right side
    130,341.84x = 13,266,180,088.56
  5. Step 5: Solve for x
    x = 13,266,180,088.56/130,341.84
  6. Step 6: Final answer
    x = 101,779.90

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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.