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Finding the Fourth Proportional to 55,871,313.60, 83,806,970.40 and 55,871,313.60

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Solution

The fourth proportional to 55,871,313.60, 83,806,970.40 and 55,871,313.60 is: 83,806,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,871,313.60 : 83,806,970.40 = 55,871,313.60 : x
  2. Step 2: Convert to fraction form
    55,871,313.60/83,806,970.40 = 55,871,313.60/x
  3. Step 3: Cross multiply
    55,871,313.60x = 83,806,970.40 × 55,871,313.60
  4. Step 4: Simplify right side
    55,871,313.60x = 4,682,405,525,084,318
  5. Step 5: Solve for x
    x = 4,682,405,525,084,318/55,871,313.60
  6. Step 6: Final answer
    x = 83,806,970.40

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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.