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Finding the Fourth Proportional to 92,946.63, 128,266.47 and 52,663.11

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Solution

The fourth proportional to 92,946.63, 128,266.47 and 52,663.11 is: 72,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,946.63 : 128,266.47 = 52,663.11 : x
  2. Step 2: Convert to fraction form
    92,946.63/128,266.47 = 52,663.11/x
  3. Step 3: Cross multiply
    92,946.63x = 128,266.47 × 52,663.11
  4. Step 4: Simplify right side
    92,946.63x = 6,754,911,681.59
  5. Step 5: Solve for x
    x = 6,754,911,681.59/92,946.63
  6. Step 6: Final answer
    x = 72,675.17

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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.