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Finding the Fourth Proportional to 77,312.55, 116,495.55 and 63,580.23

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Solution

The fourth proportional to 77,312.55, 116,495.55 and 63,580.23 is: 95,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,312.55 : 116,495.55 = 63,580.23 : x
  2. Step 2: Convert to fraction form
    77,312.55/116,495.55 = 63,580.23/x
  3. Step 3: Cross multiply
    77,312.55x = 116,495.55 × 63,580.23
  4. Step 4: Simplify right side
    77,312.55x = 7,406,813,862.98
  5. Step 5: Solve for x
    x = 7,406,813,862.98/77,312.55
  6. Step 6: Final answer
    x = 95,803.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.