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Finding the Fourth Proportional to 71,925.93, 99,300.30 and 63,946.08

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Solution

The fourth proportional to 71,925.93, 99,300.30 and 63,946.08 is: 88,283.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,925.93 : 99,300.30 = 63,946.08 : x
  2. Step 2: Convert to fraction form
    71,925.93/99,300.30 = 63,946.08/x
  3. Step 3: Cross multiply
    71,925.93x = 99,300.30 × 63,946.08
  4. Step 4: Simplify right side
    71,925.93x = 6,349,864,927.82
  5. Step 5: Solve for x
    x = 6,349,864,927.82/71,925.93
  6. Step 6: Final answer
    x = 88,283.39

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1.5x scale

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.