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Finding the Fourth Proportional to 162,141.84, 223,746.46 and 90,526.41

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Solution

The fourth proportional to 162,141.84, 223,746.46 and 90,526.41 is: 124,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,141.84 : 223,746.46 = 90,526.41 : x
  2. Step 2: Convert to fraction form
    162,141.84/223,746.46 = 90,526.41/x
  3. Step 3: Cross multiply
    162,141.84x = 223,746.46 × 90,526.41
  4. Step 4: Simplify right side
    162,141.84x = 20,254,963,547.69
  5. Step 5: Solve for x
    x = 20,254,963,547.69/162,141.84
  6. Step 6: Final answer
    x = 124,921.26

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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.