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Finding the Fourth Proportional to 103,485.63, 155,117.93 and 59,016.63

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Solution

The fourth proportional to 103,485.63, 155,117.93 and 59,016.63 is: 88,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,485.63 : 155,117.93 = 59,016.63 : x
  2. Step 2: Convert to fraction form
    103,485.63/155,117.93 = 59,016.63/x
  3. Step 3: Cross multiply
    103,485.63x = 155,117.93 × 59,016.63
  4. Step 4: Simplify right side
    103,485.63x = 9,154,537,186.09
  5. Step 5: Solve for x
    x = 9,154,537,186.09/103,485.63
  6. Step 6: Final answer
    x = 88,461.92

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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.