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Finding the Fourth Proportional to 93,117.98, 128,413.47 and 62,560.11

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Solution

The fourth proportional to 93,117.98, 128,413.47 and 62,560.11 is: 86,272.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,117.98 : 128,413.47 = 62,560.11 : x
  2. Step 2: Convert to fraction form
    93,117.98/128,413.47 = 62,560.11/x
  3. Step 3: Cross multiply
    93,117.98x = 128,413.47 × 62,560.11
  4. Step 4: Simplify right side
    93,117.98x = 8,033,560,808.68
  5. Step 5: Solve for x
    x = 8,033,560,808.68/93,117.98
  6. Step 6: Final answer
    x = 86,272.93

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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.