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Finding the Fourth Proportional to 560,688.66, 841,161.80 and 161,332.74

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Solution

The fourth proportional to 560,688.66, 841,161.80 and 161,332.74 is: 242,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,688.66 : 841,161.80 = 161,332.74 : x
  2. Step 2: Convert to fraction form
    560,688.66/841,161.80 = 161,332.74/x
  3. Step 3: Cross multiply
    560,688.66x = 841,161.80 × 161,332.74
  4. Step 4: Simplify right side
    560,688.66x = 135,706,937,170.67
  5. Step 5: Solve for x
    x = 135,706,937,170.67/560,688.66
  6. Step 6: Final answer
    x = 242,036.17

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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.