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Finding the Fourth Proportional to 161,802.17, 242,812.59 and 56,622.05

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Solution

The fourth proportional to 161,802.17, 242,812.59 and 56,622.05 is: 84,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,802.17 : 242,812.59 = 56,622.05 : x
  2. Step 2: Convert to fraction form
    161,802.17/242,812.59 = 56,622.05/x
  3. Step 3: Cross multiply
    161,802.17x = 242,812.59 × 56,622.05
  4. Step 4: Simplify right side
    161,802.17x = 13,748,545,397.55
  5. Step 5: Solve for x
    x = 13,748,545,397.55/161,802.17
  6. Step 6: Final answer
    x = 84,971.33

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1.5x scale

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.